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隐写术
将机密信息隐藏在可公开的数据中传输或者保存,使非授权者不但不能浏览保密的内容,也难以知道保密通信或者机密存储事实的存在,只有授权的接收者才能从隐写后的含密载体中提取隐蔽消息。又称隐写。
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mechanical Q-switched technology
mechanical quadrature
mechanical quadrature method
mechanical quality factor
mechanical quanlity factor
mechanical quantity
mechanical quantity measuring instrument
mechanical quantity sensor
mechanical quantity transducer
mechanical reactance
mechanical receptive reflection
mechanical rectifier
mechanical restraint device
mechanical safety design
mechanical sampling
mechanical sand control
mechanical seal
mechanical segmentation method
mechanical separation equipment
mechanical sewing technology
mechanical shutter
mechanical single bucket excavator
mechanical sludge dewatering
mechanical smoke exhaust
mechanical smoke protection
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