單向是因為不能定位首長。恐怖組織之類都是單向，阿富汗太多被衛星電話定位斬首。

來源: BJming 於 2024-09-18 09:56:47 [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.