eg: the tetrahedral structure of N4 is remained in the cage
We now first consider the case when clutter is removed and a target is remained.
可见 is remained也有他自己的用法,别太孤立地看问题
eg: the tetrahedral structure of N4 is remained in the cage
We now first consider the case when clutter is removed and a target is remained.
可见 is remained也有他自己的用法,别太孤立地看问题