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| тайная операция (in a covert operation, the identity of the sponsor is concealed. Val_Ships) | |||
| скрытая операция | |||
| секретная операция | |||
| 英语 词库 | |||
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| Also called clandestine operation | |||
| An operation that is so planned and executed as to conceal the identity of or permit plausible denial by the sponsor (JP 3-05) 亦见 clandestine operation, overt operation | |||
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covert operation : 3 短语, 2 学科 |
| 安全系统 | 2 |
| 情报和安全服务 | 1 |