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- radio wave lengths 无线电波长
- Not particularly through radio communication,except on certain wave lengths that are absorbed by the atmosphere. But as points of departure for exploration they'll be very useful. 不是,尤其不能用无线电联系,除非通过某些可以被大气层吸收的波长进行联系。至于从科学探索的角度出发,这些空间站是非常有用的。
- The light is dispersed into its component wave lengths. 光被色散成各种波长的单色光。
- The spectrum is just an image of the star in various wave lengths. 光谱正好是恒星在各个波长处的象。
- The sun sometimes spoils the propagation of radio waves. 太阳有时会影响无线电波的传播。
- This formula makes it easy to determine the wave length of sounds. 这一公式使得求声音的波长十分容易。
- Not particularly through radio communication, except on certain wave lengths that are absorbed by the atmosphere. But as points of departure for exploration they'll be very useful. 除非用某些能被大气层吸收的无线电波段,否则在太空轨道站用无线电进行通讯并不怎么特别合适。但作为探险活动从那里出发倒是非常合适的。
- We directed radio waves around the globe. 我们向全球发射无线电波。
- The absorption is most effective for the shorter wave length rays. 对于短波部分来说,吸收效应尤为明显。
- These radio waves are coming at 15000 hertz. 这些无线电波以每秒 15 千赫的波长发出。
- The frequency, wave length and speed of sound are closely related. 频率、波长和声速三者是密切相关的。
- The universe is bathed in a sea of radio waves. 宇宙浸泡在无线电波的海洋中。
- If you know the frequency, you can find the wave length. 如果知道频率,就可以求出波长。
- The frequency, wave length, and speed of sound are closely related. 频率,波长和声速三者是密切相关的。
- Radio waves travel in straight lines. 无线电波是直线传播的。
- Heinrich Hertz produces radio waves. 海因里希。赫兹制造出无线电波。
- Each band represents a deviation of one half wave length of the applied light. 每条光带表示所用光的一个半波的波长的偏差。
- We consider radio waves as radiant energy. 我们把无线电波看作是辐射能。
- Radio waves are regarded as radiant energy. 无线电波被看成是辐射能。
- The next page explains radio waves and modulation. 下一页解释无线电波和调变。
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