引用時反複閱讀、查證和對比，有筆誤的可原諒。中國大陸的學者做點實事不容易，務虛的比較風光。

來源: 科普閑談於 2019-11-03 14:02:27 [舊帖] [給我悄悄話] 本文已被閱讀：次

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