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- The sun sometimes spoils the propagation of radio waves. 太阳有时会影响无线电波的传播。
- Coming through the sky like a satellite, like a radio wave, a meteorite. 穿过天空，像一枚卫星，一束电波，一颗陨石。
- We directed radio waves around the globe. 我们向全球发射无线电波。
- 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。
- Both the quick-algorithm of radio wave reflation are presented in the paper. 本文提出了电波折射误差快速算法及修正。
- The universe is bathed in a sea of radio waves. 宇宙浸泡在无线电波的海洋中。
- 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。
- 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。
- This page describes radio waves and modulation. 本页描述无线电波和调变。
- Radio waves could be reflected from solid objects. 无线电波可以被坚固的物体反射。
- The highly sophisticated electronic methods rely on either light or radio wave propagation. 较复杂的电子技术是利用光或无线电波传播。
- The radio waves cause molecules in the food to vibrate. 无线电波使食物中的分子发生振动。
- Radio wave: Wave from the portion of the electromagnetic spectrum at lower frequencies than microwaves. 无线电波:电磁波谱中比红外辐射频率更低的电波部分。
- The original current set up by the radio waves is very feeble. 无线电波产生的初始电流很弱。
- The coefficient of variation (CV) of slow wave frequency and abnormal rhythm index (ARI) increased obviously. 慢波频率变异系数(CV)及异常节律指数(ARI)显著增加;
- The year is 1887, and Heinrich Hertz is generating radio waves. 这是1887年，31岁的赫兹正在制造无线电波。
- The radiation wave frequency of semiconductor laser is shifted correspondently when the injecting current is changed. 半导体异质结激光器在注入的电流发生变化时，输出激光的光频也随之改变。
