闭路电视的英文：
closed circuit television; wired television

参考例句：
  • closed circuit
    闭路电视
  • There is a closed circuit television and hi-fi system in the room.
    房内有闭路电视和高保真音响。
  • monitor video monochrome 9incl. forclosed circuit television)
    单色视频监视器（包括闭路电视用的）
  • Use multi-media techniques such as closed circuit TV and satellite transmission
    使用如闭路电视和卫星传输等多媒体技术
closed是什么意思：
adj. 关闭的，封闭的；保密的
v. close的过去式和过去分词
  • close unchanged
    收盘时股价
  • Wright was close.
    怀特是个吝啬的人。
  • The wound has closed.
    伤口已愈合。
circuit是什么意思：
n. 环行；电路，线路；巡回赛；赛车道；巡游
  • There is a round circuit.
    这有一个环型赛车场。
  • fetch a circuit
    迂回|绕道而行
  • It is the equivalent circuit of a triode amplifier circuit.
    它是三极管放大器的等效电路。
television是什么意思：
n. 电视机，电视节目，电视学
  • Companies pay the television networks to display their products on television.
    公司付钱给电视台在电视上做产品广告。
  • Television sells many products.
    电视促进许多商品的销售。
  • digital television display system
    数字电视显示系统

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