on base造句

1、This thesis discusses CAD for globular indexing CAM mechanism on base of reverse engineering.
本文是围绕弧面分度凸轮机构CAD中的逆向设计进行的。

2、Even I could see his foot was on base before the throw got there.
我甚至看到球传到一垒前，他的脚已经踏垒。

3、a failure to get on base safely in baseball.
在棒球中安全保持自己地位的失败。

4、On base of consulting relevant data, field survey was done using normal grassland survey method.
在查阅相关资料的基础上，采用常规草地调查的方法进行了实地调查。