回複：有可能。這份名單不太可信。巴黎比北京汙染得厲害?

來源: QinJin 於 2013-01-29 11:48:58 [] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

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• They take only city by country. Beijing is not in their sample s -quantnj- ♀ 給 quantnj 發送悄悄話 (0 bytes) () 01/29/2013 postreply 11:55:29

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