问题：此话怎讲?
类型：交流
提问：deng_jin
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版块：物理化学()
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时间：2006-01-03 12:37:11 编辑加入/取消收藏订制/取消短消息举报该贴

呵呵……最近看“chem rev”，有句话怎么看也不明白。请各位指点一二。原文如下：
“Thus, the natural optical rotation observable for an isotropic collection of chiral molecules is a time-even pseudoscalar, while conversely the magnetic optical rotation associated with a collection of achiral molecules is a time-odd axial vector. The former requires quantum states of mixed parity but definite reversality; the latter definite parity but mixed reversality.”

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