这是一次用机助制图代替传统的手工编图的试验，最后获得了成功。

This is a successful experiment in using computer—Massisted mapping instead of traditional one.

youdao

这是一次用机助制图代替传统的手工编图的试验，最后获得了成功。

This is a successful experiment in using computer—Massisted mapping instead of traditional one.

youdao