| 单词 | radio waves |
| 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〔direct〕We directed radio waves around the globe.我们向全球发射无线电波。21世纪英汉〔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〔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〔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〔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〔reception〕Conversion of transmitted radio waves or electric signals into perceptible forms, such as sound or light, by means of antennas and electronic equipment.接收：用天线和电器将传送播放的波或电信号转化为诸如声音或光线这样可感觉到的形式美国传统〔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〔spectrum〕Vast amounts of energy, from X-rays right through the spectrum down to radio waves, are escaping into space.大量的能量，从 X 光直到无线电电波，都正被泄露到太空中去。柯林斯高阶〔speed〕Radio waves travel at the speed of light.无线电波以光速传播。牛津搭配〔transmit〕Radio Seven transmits on 201 medium wave (= uses those particular radio waves to broadcast on).广播七台通过中波201千赫广播。剑桥高阶〔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Radio Seven transmits on 201 medium wave (= uses those particular radio waves to broadcast on).第七电台是用201中波传送的。剑桥国际 |
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