a radio beam
The satellite emitted a radio beam.
卫星发射了一个射电波束。
射电波束;无线电射束
先理解核心含义,再看它在真实句子里的用法。
射电波束;无线电射束
a concentrated beam of radio waves, used for communication or navigation
The satellite emitted a radio beam.
卫星发射了一个射电波束。
用于通信或导航的定向无线电波
The aircraft's navigation system relies on a radio beam to maintain its course.
飞机的导航系统依靠无线电射束来保持航向。
Astronomers detected a faint radio beam coming from a distant galaxy.
天文学家探测到来自遥远星系的一束微弱的射电波束。
The communication tower emits a directional radio beam to connect remote areas.
通信塔发射定向无线电射束以连接偏远地区。
The satellite emitted a radio beam.
卫星发射了一个射电波束。
We detected a radio beam from the distant galaxy.
我们检测到了来自遥远星系的一个射电波束。
Engineers use a radio beam to transmit data.
工程师使用无线电射束传输数据。
Not this
The satellite sends radio waves to Earth.
Use this
The satellite sends a radio beam to Earth.
错误:将'radio beam'误用为'radio wave'。'radio wave'泛指无线电波,而'radio beam'特指定向射束。中文翻译中'无线电波束'是具体概念,需区分。
Not this
There are two radio beam.
Use this
There are two radio beams.
错误:忽略了'radio beam'是可数名词,复数形式需加-s。中文中'波束'没有复数变化,导致学习者易遗漏。
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compound noun
Dictionary facts from ECDICT.