國之重器—北鬥係統，在鄧時期無法開展，直到銀河號吃了大虧，才開始啟動。

來源: 方家胡同於 2020-07-20 08:01:21 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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