横向
1
Distance north or south of equator
5
Physical features of land
6
Wearing away of land by water or wind
7
Region between the two tropic lines
9
Area where water covers the soil
纵向
2
Total number of people in an area
3
Large natural stream of water
4
Landform where river meets the sea
8
Large area covered with trees
10
Flat elevated area of land