對於重要的衛星係統是不應該的。NASA很多技術都失去傳承，

來源: 大洋bridge 於 2023-03-23 00:59:53 [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.