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高二地理专题复习三地图(Special geography review three map)
高二地理专题复习三地图(Special geography review three map)
This article is contributed by semayyxm
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Senior geography review three
Map
Learning goals
1, what are the three elements of the map? 2, how to determine the direction on the map based on latitude and longitude lines or direction markers? 3. How is the scale calculated? How do you compare? How about the size and extent of the map?
The three elements of scale, direction, scale, direction, legend, and annotation map:
Line segment
Zero
40km
Scale =
Distance from field
Express
On the map, 1cm stands for field 40km
(also called scale)
The 1cm is represented by a digital 1:500000 word representation
Representing field 500000cm
Proportion
170180170
Ulnar
Fifty
A
Calculation
B
Sixty
If the graph of A and two points on the graph is separated from 2.22cm on the graph of two points, if the distance between the graph and the B two points is on the graph, then the scale of the graph is. Then the scale of the graph is 1:5000000.
Comparison of scale sizes
The above four Chart scale from big to small arrangement, the correct is the above four Chart scale from big to small arrangement, the correct is 31, ABCD 2, CDBA 3, ABDC, and 4, BADC,
A the four island area is the smallest island area of four above the minimum water is water
Conclusion? In the two map of the same size, in the two map of the same size on the larger scale, larger scale, scope of representation on the smaller, reflect more detailed content; detail; smaller scale, the scope of the representation on the greater the greater the the contents of the more simple.
If the whole class is going to visit the Suzhou amusement park, how can I choose the map? If the whole class is going to visit the Suzhou amusement park, how can I choose the map?
Jiangsu map, Suzhou traffic
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