无线电话保密装置 privacy equipment for radio telephone
电话保密器 Telephone Scrambler
保密电话机 confidential phone ; secure telephone ; privacy telephone set
保密电话 code phone ; secret telephony ; [通信] cryptophony
卫星保密电话 satellite secure voice
保密电话系统 voice security telephone system
窄带保密电话 narrow-band secure voice ; Band Secure Voice
以及保密电话 Secure Phone
保密电话通信系统 [通信] secure voice communication system
保密电话通信 SEVOCOM SEcure VOice COMmunication
几乎所有的电话保密系统都使用回波抵消技术来实现全双工通信。
The echo cancellation technique is now widely used to implement the full-duplex communication in almost all telephone privacy systems.
人们可以打电话进来，他们知道他们所提供的一切信息都会被保密。
People can phone in, knowing that any information they give will be treated confidentially.
最近绝密电话模型被泄露，iPhone 4用户举报天线有问题，这些都一定程度上的影响了苹果的保密形象。
Recent troubles like the leak of a secret phone prototype and the antenna problems reported by some owners of the iPhone 4 have chipped away at that image somewhat.
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