“制图的”造句

就制图的目的来说,所以需记录的高程是高出大地水准面 ( 海平面 ) 的高程.
For cartographical purposes heights are necessarily recorded above the geoid ( sea - level ).

较常见的是根据制图的比例来划分.
More commonly the separation is based on the scale of the mapping.

丁字尺 是工程制图的必要工具.
The T - square is a necessary tool for engineering charts.

• #制图的