所有兆及以上数字单位都有3或4个定义，故应免用。

来源: stvw 于 2013-07-22 10:59:18 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.