明确清晰，简练到位，理工科生的评论，极好。

来源: -疏桐儿- 于 2020-08-11 19:12:32 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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明确清晰，简练到位，理工科生的评论， 极好。