答案：中国人口重心(1990)：113:52'E, 32:22'N（河南省信阳市明港镇西南10公里处）

来源: 布兰雅于 2011-11-04 20:34:14 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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