| 单词 | closed circuit |
| 释义 | closed circuit (once / 81513 pages) n WORD FAMILY closed circuit: closed circuits USAGE EXAMPLESVisitors can enter the entrails of the dam on guided tours, but hard-hats are required and closed circuit cameras follow their every move. US News(Sep 23, 2016) Diplomats and international media were allowed to follow the proceedings in a separate room via closed circuit TV. Seattle Times(Sep 21, 2016) The body was determined to be the shooter based on witness statements and closed circuit television footage of the attack, he said. US News(Jul 23, 2016) n a complete electrical circuit around which current flows or a signal circulates Syn|Ant|Hypo|Hyper loop open circuit an incomplete electrical circuit in which no current flows parallel circuit, shunt circuit a closed circuit in which the current divides into two or more paths before recombining to complete the circuit circuit, electric circuit, electrical circuit an electrical device that provides a path for electrical current to flow |
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