民航客机不在他们监视的范围内吧。

来源: reichthedog 于 2014-03-16 10:43:14 [] [旧帖] [给我悄悄话] 阅读数 : (146 bytes)

看新闻里说，the southern Indian Ocean is one place where a commercial airliner can crash without a radar plotting it or a satellite picking it up.

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