| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024electron′ic surveil′lance, - Electronicssurveillance or the gathering of information by surreptitious use of electronic devices, as in crime detection or espionage.
Collins Concise English Dictionary © HarperCollins Publishers:: electronic surveillance n - the use of such electronic devices as television monitors, video cameras, etc, to prevent burglary, shop lifting, break-ins, etc
- monitoring events, conversations, etc, at a distance by electronic means, esp by such covert means as wiretapping or bugging
|