英语语法分析

Affranchise memory occupied by unmanaged resources.

释放非托管资源所占用的内存。

Find the objects no longer needed, release the memory the objects occupied, and affranchise memory occupied by unmanaged resources.

寻找不再使用的对象，释放其占用的内存， 以及释放非托管资源所占用的内存。