什么是在地图上规模的使用?What is the use of the scale on a map?请尽快回复我、谢谢

什么是在地图上规模的使用?What is the use of the scale on a map?请尽快回复我、谢谢 在他们的墙上有一张地图.翻译：A map is on the wall of______classroom. A map of Quebec has a scale of 1:1 500 000.On the map,the di 第,一条;;It is given that the scale of a map is 1:250000.It the 1：在地图上怎么说?是on the map还是in the map?2:是 请问,在地图上是in the map还是on the map On the wall there is a map of China.还是On the wall has a map There is also a ( )China on the wall.答案有map of,map's,map ,ma the map on the black wall is a map of the world. there is a map of china on the wall. 改错There is a map of world on the wall. there is a map of china on the