[计]?保密文件

... 保密体制 与保密系统相似，但指数学或抽象模型nsecrecy system 保密文件 secret document 保密信息记录 recording of security information ...

?秘密文件

... 文件 papers;document 秘密文件 secret document [计算机] 文件名 filename ...

?机密文件

S is now shamelessly admitting that it has in the past attempted to co-opt youth dissidents, thus showing its hand at playing both sides in Egypt. In reality this self-leaked “secret document” does not show any authentic U.