送交者: xj 于 2005-10-02, 19:51:24:
回答: As a physics major, I think his stuff is great 由 skywalker00 于 2005-10-02, 18:53:06:
or did his methods are adopted in most textbooks?
If not, his methods are useless for most students.
加跟贴
标题:
内容(可选项):
URL(可选项): URL标题(可选项): 图像(可选项):