1. The composition of the GPS map

The GPS map is a brand new geographical information carrier produced by the development of computer technology. The GPS map is born out of the map, presented the map in a digital manner, and can only be used in the computer.GPS maps have the functions of displaying, transmission and analysis. GPS maps can provide better presentations than traditional maps, such as enlarged, reduced, roaming, search, and path planning.

2. The difference between GPS map and traditional paper map

The conventional paper map emphasizes the data carrier, symbolization, and display. It is one of the roots of the development of GPS maps, and the GPS map focuses on analysis. Its expression method is much stronger than traditional maps. It has the following characteristics:

A. Integration of sound, graphic and digital multimedia, combine the intuition of graphics, the accuracy of numbers, the guidance of sound, and intimacy, make full use of the user's various sensory.

B. Inquiry retrieval and analysis function can support two -way retrieval from map graphics to attribute data and attribute data to graphics data.

C. Graphic dynamic changes function, from opening window scaling, browsing reading and other basic functions to the end of the animation function, multi -dimensional animation graphics simulation, etc.

D. With a good user interface, the use of users from the map generation process.

E. The multi -level ratio is converted from each other. It can match the screen content of the screen to perfectly match the current proportion, and automatically use the choice or synthesis of the compatibility of the ratio to the scale.

3. GPSHow is navigation electronic map collected and processed?

There are many collection methods for aviation electronic maps. There are mainly. Through remote sensing satellite pictures, analysis of the road network. In addition, based on the purchase and mapping unit from various places, the accuracy of the map is compared.By parsing through unmanned aircraft aerial pictures to obtain map data, and then from the national basic geographical information center activity related information;

The other is to collect on the spot, using artificial and vehicles for field collection and taking pictures to obtain map information.In these collection methods, there are only third types. The map data obtained on the spot is the most accurate and detailed.At present, there is only Ruitan Wanfang's Taoist Map of Ruitan Fang. In addition, many other companies have started to collect on the spot, but it is already later than Ruitanfang in terms of time.4Year.

Disclaimer: The above method stems from the index of the program system or the sharing of netizens. It is for your reference only and does not represent the research perspective of this website. It proves that it is valid. Please pay attention to the authenticity and authority of the source of the content of the content.Apply to delete & gt; & gt; error correction & gt; & gt;

How to choose Riding glasses

1. Select according to the face shape

In the choice of Riding glasses, everyone is also good, and different faces have different requirements for different shapes of different shapes.Remember the principles of complementarity -round face formula and choose ellipse.

-Face: Broadly pilot -style glasses can modify the protruding jaw lines;

-Round face: It is suitable for glasses with a slightly thick frame, a cold color of the lens, and darker colors, with the visual effect of shrinking the face.

-Long face: You should choose flat or curved lenses, with a slender proportion, which gives people a sense of coordination.

-Guazi face: Suitable for a variety of shapes of Sunglasses, choose more to make your heart bloom.

-Small faces are suitable for wearing thin -frame or frameless glasses. Choosing elegant lenses will have unexpected effects.

2. The comfort of wearing

The choice of Riding glasses must first consider comfort.This is related to the texture, size, and weight of the glasses. The high -comfortable Riding glasses can more comprehensively cover the eyes and prevent external light from interfere with the sight.Professional Riding glasses usually use non -slip materials in the nasal trustees to ensure stability in strenuous exercise.In addition, in recent years, most of the ride glasses design will increase the ventilation, reduce lens atomization, and increase the comfort during use.

3. Legend color

To choose a ride glasses, you need to consider the filtering and ultraviolet of the lens for harmful light, and the absorption and filtering effect of different Lights are different.Therefore, when choosing Cycling glasses, you also need to consider your usual riding environment and make different choices for different environments.

-The black lens is suitable for strong light. For example, at noon light, it can have a good effect on UV prevention, filtering and dazzling light and harmful light.

-The purple lenses can reduce the degree of visible light eye, and does not affect the visual definition.

-A blue lens is suitable for weather with low visibility in foggy days.

-The red orange lens is the best, which can make the surrounding terrain become particularly clear.

-In yellow lenses suitable for use and night use at night, to increase the sharpness by increasing the contrast.

-The colorless lens is an ideal choice for foggy or gray weather. At the same time, it is more used to block the wind and rain, reducing the chance of suffering from conjunctivitis.

-The reflective lens is a must -have for plateau cycling. It is used in the area of strong light and high -ultraviolet rays in the snow or plateau.

-The color change lens will automatically change the color according to the environmental temperature to adapt to the use of different environments.

4, lens material

The material of Riding glasses must be flexible, anti -pressure and anti -impact, so that if you fall in the process of riding a bicycle, you will not hurt your eyes because of the broken glasses.Generally speaking, the lens of the resin material has good elasticity and strength, light texture, and very comfortable wearing; glass lenses are absolutely prohibited in the manufacturing of Cycling glasses.

Riding glasses also requires a good anti -ultraviolet effect to play a good protective role. The lens needs to filter some mixed light that hurts the eyes.Seeing the quality of the lens can shake it in front of the eyes. If the object and the lens move together, it means that the mirror surface is uneven, not a good lens.

5. Frame design

The selection of frames requires soft and elastic, impact resistance, and can safely protect the face from being damaged during exercise.The veneer design of the frame can keep the eyes close to the edge of the frame to prevent the stimulation of strong wind in the eyes in fast movement.

6. Ordinary Sunglasses cannot replace Riding glasses

Many people think that wearing a Sunglasses when riding a bike, but in fact, Riding glasses and Sunglasses are very different.

-The design of Sunglasses does not apply to sports, which will cause the mirror frame in the cycling to decline or even fall.

The Sunglasses generally do not have anti -atomization function, and the lens is blurred in hot and cold weather, which causes danger.

-A normal Sunglasses have no functions of windproof and preventing foreign objects from ride glasses.

7, riding bicycles should not wear dark Sunglasses

Too deep Sunglasses will delay the reaction time of the cyclist to the dangerous timing of 100 milliseconds and increase the rapid braking distance of 2.5 meters.In other words, the dark color of Sunglasses delays the time when the eyes are sent to the center of the brain's perspective, and at the same time, the distortion of the speed sensation is caused, prompting the riders to make a wrong judgment and a traffic accident.

8. When buying Cycling glasses, pay attention to the tag on the glasses

This small brand is often ignored. In fact, in addition to telling you the production area of the glasses, there are many useful information, such as whether the glasses you buy are Sunglasses or light mirrors, whether the resin lens or aluminum lens lens isHow much is the UV index and so on.Clarifying the information on the tag can effectively help you choose a Riding glasses you like.

Disclaimer: The above content is derived from the provision of the program system index or the sharing of netizens. It is for your reference only and does not represent the research perspective of this website. Please pay attention to the authenticity and authority of the source of the content of the content.Apply to delete & gt; & gt; error correction & gt; & gt;

1. Do you want to buy a big size in the stream shoes?

When choosing a stroke shoes, the size is a very critical issue, because a suitable shoes can make you more comfortable and comfortable, so do you need to buy a big size in the stream shoes?

If you want to swim or adventure in streams in streams, it is recommended to buy a big size shoes.This is because wearing stream shoes in the stream often occurs when stepping into stones or potential dangers.If the shoes are too tight, it may cause discomfort or even pain on the foot, which will affect the movement freely.Therefore, choosing a large number of stream shoes can ensure sufficient comfort and flexibility, and better enjoy the fun of stiring.

2. How much is a pair of shoe tracing shoes

The price of streaming shoes is not static. The price of different brands, materials and production processes is very different.Generally speaking, the price of stream shoes is between hundreds of yuan, but there are also higher prices.

First of all, the brand is an important factor in determining the price of the stream.Generally speaking, the prices of the internationally renowned Outdoor brands will be higher than the price of domestic brands.This is determined by factors such as the popularity of international brands, the advancement of technology and materials, and the exquisite production process.The price of streaming shoes from abroad will also be higher, because it contains the cost of import tax and the cost of transnational logistics.

Secondly, material is also an important factor in the price of streaming shoes.The materials of the stream shoes are generally divided into two types: rubber soles and bionic soft soles.The streams of rubber soles are low in price, but the scope of applications is small, which is only suitable for exercising on dry or slippery hard ground.The price of bionic soft bottoms is relatively high, but it can better adapt to the rugged ground in water and provide better anti -slip and cushionability.In addition, a new material on the market -Vibram yellow gum, in addition to the above advantages, also has super wear resistance and durability, so the price is not higher than the creek shoes of ordinary bionic soft bottoms.few.

Finally, the production process is also an important factor in the price of stream shoes.A good manufacturing process can ensure the comfort and waterproofness of the stream shoes.At present, most of the stream shoes on the market are mostly used with upper and sole gum bonding technology. This production process is relatively simple and the price is relatively low, which is suitable for general outdoor activities; and some high -end stream shoes adopt integrated type.The production process, that is, directly pour the upper and soles into one. This process can reduce the defects of sewing and adhesive, improve the overall performance of the shoe, and the price is relatively high, suitable for highly difficulty in the stream.

For consumers, you need to choose the appropriate stream shoes according to your needs and budget. Before making a purchase decision, it is best to make more market research and comparison to find the best cost -effective one.At the same time, pay attention to whether it meets the national quality certification standards when purchasing, so as not to buy fake and shoddy products, affecting experience and safety.

1. The good look of the sports pants is still good -looking

Better -footed sports pants and non -foot sports pants have advantages and disadvantages. How to evaluate the good -looking footwear and the good -looking sneakers may vary from person to person.

For the good -looking sneakers and non -foot sports pants, everyone's aesthetic views are different, and it is difficult to have a unified answer.The foot sports pants have the function of sealing and windproof, which is more practical in cold weather.If you want to perform high -intensity exercises outdoors, you can better adapt to the changes in the body without loosening or stuck exercise.In addition, the foot design can better highlight the body's curve and make the wearer look slimmer.

Compared with this, no -foot sports pants are more relaxed and comfortable, suitable for some sports that need to be more flexible and free.The design of the foot is more casual and natural, and in some cases, it can also achieve the same visual effect as the foot style style.

Overall, the good -looking of sports pants is not limited to the design of the foot and not beaming, but pays more attention to the overall dressing effect and style.You can choose the right color and material to achieve the best overall effect with the appropriate sports shoes, tops and jackets.Therefore, it is not good to look good about sports pants. You need to look at it according to your aesthetic hobbies and specific occasions.Some people like the effect of self -cultivation effects, and some people like free and free feelings without the style. Therefore, when buying sports pants personal, they should choose according to their needs and preferences.

2. What should I do if the sneakers are too tight?

You can try the following methods:

Method 1:The bouquet of the sports pants is too tight to stretch the loose band beam, and pull it until the largest place, put it on the ironing board, and iron it with an iron back and forth to make the bouquet of the sports pants more loose.If the quality of the loose band used in the beam is relatively tight, you can stretch it with your hands again while it is hot until it reaches the ideal size.

Method two:Take out the loose band of the sneaker bouquet and expose it under the sun to make the rubber milk wire in the loose band weathered and then break. Then use a wider object to open the loose band, and place it for a while.

Method three:Turn the sports pants to find the interior suture line, open a mouth on the suture line, grab the side of the loose band, you can take out the loose band, replace the loosening tight band and then suture.

However, the more elastic bands of sports pants will cross the loose, which is normal, because the sports pants have certain elasticity, and the sports pants will become loose after a long period of time.

1. Kailestone sleeping bag is not warm

When outdoor sports in cold areas, the warmth function of Sleeping bags attaches great importance to it.Can the warm function of Kailestone Sleeping bags make consumers spend stable at low temperature weather?Let's take a look at the warm sleeping bag of Kaile Stone together:

1. Ergonomic design, the overall shape of the sleeping bag is in line with the shape of the oriental human body, and it is more comfortable to use.

2. Unique hat pocket design, comfortable, warm, easy to adjust the size, can effectively avoid the loss of head heat.

3. The fabric has water -proof function, which can effectively protect the dryness of cotton, and it is more long -lasting and warm when used.

4, shoulder -collar design, can be pasted with tight neck to prevent the loss of heat, which can further enhance the warmth of Sleeping bags.

5. The windshield design below the zipper can effectively avoid cold air from entering the sleeping bag from the zipper gap.

6. The design of the three -dimensional warehouse to increase the space of the foot movement and make the soles of the feet more comfortable.

7. sleeping bag fabrics and linters have a breathable function, which can ensure Smooth breathing during use and no dullness.

8. Libu small pocket design can be placed on small objects such as mobile phones, which are intimate and convenient.

9. Thermopuff cotton is not vacuum during the production and transportation process to ensure the best fluffy and warmth.

Second, the usage of Kailestone sleeping bag

1. The Kaile Stone sleeping bag is completely stretched 1-2 days before the outdoor sports, which helps to give full play to its warmth performance in the wild.Put the sleeping bag into a compressed bag before departure.

2. Do not wear a jacket to enter the Kaile Stone sleeping bag in the cold environment. It is recommended to wear only underwear to sleep, which will help quickly improve the temperature and comfort of sleep in the sleeping bag.

3. In the camp, you can turn the sleeping bag out of the morning and place your sleeping bag on the top of the Tent or dry, ventilated, and sunny environment, which will help the air drying of the sleeping bag, but avoid strong sunlight during the day.

4. When storing, you can roll the sleeping bag once and squeeze out most of the air.Then spread the sleeping bag and put the sleeping bag irregularly into the compressed bag from the tail.It is not recommended to put in the compressed bag with a roll collection, because the long -term regular roll collection will make the Kailestone sleeping bag surface cloth accelerate the aging due to unevenness.

5. Kaile stone down sleeping bag fabric has a waterproof or waterproof function, but if the weather is extremely humid on the way, please seal the sleeping bag with a plastic bag to avoid humid air into the sleeping bag.

3. How to store Kaile Stone sleeping bag

1. Kailestone Sleeping bags are stored in a dry and cool environment for daily storage, and it is determined that the sleeping bag is clean;

2. Do not store it in a compressed bag. Long -term compression will cause the down or warm layer to lose elasticity and reduce the warmth performance.It is recommended to use the matching Kaile Stone storage bag for storage. You can also use the bottom webbing to be hung upside down in the wardrobe;

3. If it is not used for a long time, it is recommended to organize a sleeping bag for a period of time to make it completely stretch and air dry, re -load the storage bag or hang upside down.Kaile Stone sleeping bag product Daquan & gt; & gt;

Kaile Stone Kailas

Zhanjiang Maya Travel Products Co., Ltd.

• Land: Zhanjiang City
• Registered capital: 80 million yuan

Kailas Kaile Stone is a world -renowned climbing brand. It was founded in Guangzhou, China in 2003. It is committed to promoting the development of mountaineering and adventure movements to develop functional equipment for climbers to develop functional equipment to meet their needs for safe and comfortable needs in the extreme environment.Kailestone focuses on the development and professional functional design of scientific and technological materials. The product line covers a number of outdoor sports such as climbing, climbing, ice climbing, Hiking, off -road Running mountains.The strength has won 71 domestic and foreign awards and 29 patents.The name of the Kailas brand is derived from Mtkailash, Oka Rinpoche, which is located in Tibet, China, 6638 meters above sea level.& gt;