| 单词 | radio signal |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔DISTANCE〕A typical radio signal has a range of about 100 miles. 典型的无线电信号范围约有100英里。朗文写作活用〔EXPLODE〕Police say radio signals were probably used to set the bomb off. 警方说这些无线电信号可能用于引爆炸弹。朗文写作活用〔back up〕Radio signals received from the galaxy's centre back up the black hole theory.从该星系中心收到的无线电信号证实了黑洞理论。柯林斯高阶〔bounce〕The radio signals are bounced off a satellite.无线电信号从卫星上反射回来。朗文当代〔communications satellite〕An artificial satellite used to aid telecommunications, as by reflecting or relaying a radio signal.通信卫星：用于帮助无线电通讯的人造卫星，如经由反射或转播无线电信号美国传统〔converter〕An electronic device that converts one frequency of a radio signal to another.变频器：将无线电讯号从一种频率转换成另一种频率的电子装置美国传统〔dead spot〕A zone within the range of a radio transmitter where little or no radio signal can be received.死点，静点：在收音机转播范围内，不能或只能收到一点无线电信号的地区美国传统〔dish〕A radar dish picks up the radio signals and feeds them to a computer.雷达(抛物面)天线接收无线电讯号并把讯号输入计算机。英汉大词典〔distort〕Electronic faults can distort the radio signal.电子故障会使无线电信号失真。麦克米伦高阶〔distort〕Tall buildings can distort radio signals.高大的建筑物会使无线电信号失真。朗文当代〔emit〕Transmitters emit radio signals.发报机能发出无线电讯号。牛津同义词〔fade〕The radio signal faded out as we got further from the station.随着我们离电台越来越远，无线电信号逐渐消失了。韦氏高阶〔fading〕Fluctuation in the strength of radio signals because of variations in the transmission medium.时强时弱：由于传播中介的变化而引起的无线电波信号的强弱波动美国传统〔goniometer〕A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals.无线方向探测器：一种无线电接收和指向天线系统，用来确定收到的无线电信号的角方向美国传统〔locate〕We couldn't locate the source of the radio signal.我们无法确定无线电信号的来源。朗文当代〔minitrack〕An electronic system designed to follow the course of satellites and rockets and correlate radio signals received by a network of ground stations.卫星跟踪系统：设计用来跟踪卫星或火箭的航线并将地面站网接受到的无线电信号相互关联的电子系统美国传统〔pip〕A short, high-pitched radio signal.短而尖的广播信号美国传统〔property〕A radio signal has both electrical and magnetic properties.无线电信号具有电、磁双重属性。柯林斯高阶〔property〕A radio signal has both electrical and magnetic properties.无线电信号具有电和磁双重属性。外研社新世纪〔radio beam〕A focused beam of radio signals transmitted by a radio beacon to guide aircraft or ships.无线电射束：无线电指向标发出的一束无线电讯号给飞机或轮船导航美国传统〔radio〕A complex of equipment capable of transmitting and receiving radio signals.无线收发装置：能够传送和接收无线电信号的一套设备美国传统〔range〕The maximum extent or distance limiting operation, action, or effectiveness, as of a projectile, an aircraft, a radio signal, or a sound.射程，音程：导弹、飞行器、无线电信号或声音等所能达到的限制运行、行动或效果的最大范围美国传统〔send〕Radio signals were sent into deep space.无线电信号被发送到深邃的太空。朗文当代〔send〕A radio signal was sent to the spacecraft.向宇宙飞船发出了无线电信号。牛津高阶〔signal〕The transmitter beams radio signals into space.发射机向太空发射无线电信号。韦氏高阶〔sonobuoy〕A buoy equipped with an acoustic receiver and a radio transmitter that emits radio signals when it detects underwater sounds.声纳浮标：一种浮标，上面装配有原声接受器以及在探测水底声音时能发射出电波信号的电波发射机美国传统〔strength〕This device measures the strength of radio signals.这个设备可以测量无线电信号的强度。韦氏高阶Radio signals are transmitted in different bands.无线电信号是以不同的波段传播的。剑桥国际Radio signals are used for navigating both ships and aircraft.无线电信号用于船舶和飞机的导航。剑桥国际Our radio signals were routinely scrambled to prevent the enemy discovering our plans.我们的无线电信号经常地变换频率，以防止敌人发现我们的计划。剑桥国际The radio signal gets degraded by atmospheric interference.无线电信号由于大气干扰而减弱。剑桥国际 |
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