What is a topic map? (Range-based thematic map), a topic

What is a topic map? (Range-based thematic map), a topic

• Number of segments: 2-9 segments, 5-6 most commonly used segments
• Segmented color:
  • Dual Color (qualitative. For example, two-party campaign: red and black)
  • Random single value (classification. For example, the largest ethnic minority population in the region)
  • Monochrome gradient (same Series)
  • Two-color gradient (commonly used to distinguish between positive and negative values by color, and to distinguish between upper and lower average values)
• Average Value (draw a horizontal line between blocks in the legend area to mark the average level of all regions, which is often used as a segmentation value)
• Special Value: No data (no value), data unavailable. Fill in gray, white, and diagonal lines.

Three maps with the same image size: world map, China map, and Beijing Map, indicating the least range and most detailed content

Answer C
When the image width is the same, a map with a small scale has a large range and the content is rough. A map with a large scale has a small range and details the content. According to the context in the question, the picture is the same, but the range is world map> map of China> map of Beijing. Based on this, we can infer the size of three map scales: Beijing map scale> China Map> world map. The most detailed information is the minimum-scale map-Beijing map.
 
In terms of form, content, materials, information, and scope, write an idea of writing a map of the future of the world.

Maps of the future can be downloaded from the Internet, not only with detailed longitude and latitude of each region, but also with detailed features such as contour lines. You can zoom in and out freely. The future electronic map is very specific. You can use remote sensing technology to find all the details of the local area. If you are used to the abstraction of traditional maps, you can select each item to abstract a new map. In the future, the electronic map will also provide route consultation. If you select any two points on the map, the map will automatically generate the best route, as well as difficult road sections and Countermeasures on the way.

However, the Himalayas will become higher, and the Eurasian forum, the Pacific Forum, and the American Forum will gradually become smaller and the Atlantic will gradually become larger due to the speed of their respective movements, at the end of the day, we will see what we don't want to see. China will become an inland country, and many rivers in China will become inland rivers or even dry up. By then, the Atlantic Ocean will become unprecedented!

According to the wigna Forum drift, we can see that each Forum will continue to drift, so that in the future some sections will be together, some will be split, the Mediterranean will eventually disappear, and the Red Sea will become wider and wider, the Himalayas will increase.

Select one from three.