回复：I know it has military background, just respond to your post

来源: QinJin 于 2012-10-08 18:39:02 [] [旧帖] [给我悄悄话] 阅读数 : (115 bytes)
回答: Too simple，too naive ... 由 有些话不得不说 于 2012-10-08 18:35:48

public company.  Technically, it's a private company, so the official reason is more of security. 

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