And introduce simply the every kind of method advantage, weakness and their connecting line methods.

并简单的介绍了一下各种测距法的优点、缺点和它们的接线方法。

youdao

And introduce simply the every kind of method advantage, weakness and their connecting line methods.

并简单的介绍了一下各种测距法的优点、缺点和它们的接线方法。

youdao