回复：这里的(which is)指代哪一个成份,会不会引起歧义?还

来源: 2ndglance 于 2004-12-05 15:24:46 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (171 bytes)
回答: both sentences are fine. 由 2ndglance 于 2004-12-05 14:44:59

"which" indicates the action of "introducing the principle"..

It is a commonly accepted expression.

It is widely used in the scientific writing.

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