1949年中國的人均壽命統計不對,那是包括戰爭中死去的人。而那些人大多是青少年
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• 點的好 -楊子- ♂ (0 bytes) () 03/15/2015 postreply 09:27:47
• 主要是嬰幼兒成活率太低。麻疹,天花是人人必闖的鬼門關 -黨戴飆- ♂ (0 bytes) () 03/15/2015 postreply 12:01:10
• 點的好 -楊子- ♂ (0 bytes) () 03/15/2015 postreply 09:27:47
• 主要是嬰幼兒成活率太低。麻疹,天花是人人必闖的鬼門關 -黨戴飆- ♂ (0 bytes) () 03/15/2015 postreply 12:01:10
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