| 单词 | 无线电波 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔-waving〕Sound waves, light waves, and radio waves have a certain frequency, or number of waves per second.声波、光波或无线电波等都有特定的频率，或者说是每秒的波数。柯林斯高阶〔REFLECT〕When atmospheric conditions are right, radio waves bounce off the ionosphere and can be received many thousands of miles away. 在适当的大气条件下，无线电波从电离层反弹回来，在数千英里之外都可以接收得到。朗文写作活用〔SEND〕The radar sends out radio waves and listens for echoes from enemy craft. 雷达发出无线电波，捕捉敌机的反射信号。朗文写作活用〔Seyfert galaxy〕A spiral galaxy with a small, compact, bright nucleus that exhibits variable light intensity and radio-wave emission.塞弗特星系：有小的、紧密的、明亮的核的且表现出不同光强度和无线电波发射的螺旋星系美国传统〔airwaves〕More and more TV and radio stations are crowding the airwaves.愈来愈多的电视台和广播电台使无线电波段愈来愈拥挤。牛津高阶〔airwaves〕The ads have begun to fill the airwaves.这些广告已经开始充斥无线电波段。韦氏高阶〔beam〕A radio beam.无线电波美国传统〔beam〕Following a radio beam. Used of aircraft.跟随无线电波。用于指飞机美国传统〔crackle〕The air waves are crackling with invective.无线电波中充斥着谩骂声。英汉大词典〔decametric〕Of, relating to, or being a radio wave of wavelength between one and ten decameters.十米波的：无线电波的波长在十米和百米之间的美国传统〔direct〕We directed radio waves around the globe.我们向全球发射无线电波。21世纪英汉〔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〔glide path〕The path of descent of an aircraft, delineated by a radio beam that directs the pilot in landing the craft.下滑道：由无线电波束标出的飞机下降航道，用来引导飞行员着陆美国传统〔ground wave〕A radio wave that travels along the surface of the earth.地面电波：沿地球表面传播的无线电波美国传统〔home〕To be guided to a target automatically, as by means of radio waves.自动导向：通过无线电波被自动导向某一目标美国传统〔impulse〕Radio waves are converted into electrical impulses.无线电波被转换成电脉冲。牛津搭配〔incident〕The pilot radioed ahead to Gatwick to warn of a major incident on board.飞行员用无线电波向加特威克发送了机上有重大事故的警报。麦克米伦高阶〔kilohertz〕Their instruments detected very faint radiowaves at a frequency of 3 kilohertz.他们的仪器检测到一个3千赫的微弱无线电波。柯林斯高阶〔occultation〕The progressive blocking of light, radio waves, or other radiation from a celestial source during such a passage.星掩：在上述运行中，从一天体源发出的光，无线电波或其它射线被逐渐掩蔽美国传统〔pollute〕Many complain that broadcasters pollute the airwaves with sensationalism and sleaze.许多人抱怨说广播公司用耸人听闻的题材和低级庸俗的内容污染了无线电波。剑桥高阶〔quasar〕A starlike object that has a large red shift and emits powerful blue light and often radio waves.类星体：一种类似星体的物体，它有很大的红移并放射出大量的蓝光，而且经常还有无线电波美国传统〔radar astronomy〕The branch of astronomy that studies bodies in the solar system by analyzing the reflections of radio waves sent from Earth.雷达天文学：天文学的一个分支，通过对反射回来的发自地球的无线电波的分析研究太阳系中的天体美国传统〔radio compass〕A navigational aid consisting of an automatic radio receiver that determines the transmission direction of incoming radio waves.无线电罗盘：一种导仪器，带有一个无线电自动接收器，可以测定发来的无线电波的发送方向美国传统〔radio wave〕An electromagnetic wave within the range of radio frequencies.无线电波：无线电频率范围内的电磁波美国传统〔radiophotograph〕A photograph transmitted by radio waves, each image point being reproduced by a received electric impulse.无线电传真：通过无线电波传送的照片，图像上的点由接收到的每一个电脉冲重新合成美国传统〔sky wave〕A radio wave that travels upward.天波：向上发送的无线电波美国传统〔smart bomb〕A bomb that can be guided by radio waves or a laser beam to its target.制导炸弹：可由无线电波或激光束引导投向目标的炸弹美国传统〔speed〕Radio waves travel at the speed of light.无线电波以光速传播。牛津搭配〔tracking station〕A station for observing the path of and maintaining contact with an object in the atmosphere or in space especially by means of radar or radio.跟踪站：对大气层中或太空中的物体的运行轨道进行监测并与其进行联系的工作站，尤指通过雷达或无线电波的方式美国传统〔transparent〕Permeable to electromagnetic radiation of specified frequencies, as to visible light or radio waves.可透过的：可以让某些频率的电磁辐射通过的，如可见光或无线电波美国传统〔unseen〕For me, a performance is in front of a microphone, over the radio, to an unseen audience.对我来说, 表演就是在麦克风前对着看不见的听众通过无线电波进行的。外研社新世纪〔unseen〕For me, a performance is in front of a microphone, over the radio, to an unseen audience.对我来说，表演就是在麦克风前通过无线电波面对看不见的听众进行的。柯林斯高阶 |
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