电磁波的传播就像光波的传播一样。
即使有今天的无线电设备，信息传播也需要好几分钟，有时候甚至好几个小时，因为无线电和光波都是以每秒186,000英里的有限速度传播。
Even with today's radio equipment, the messages will take minutes-sometimes hours-on their journey, because radio and light waves travel at the same limited speed of 186, 000 miles a second.
由于大气对光波传播引起的折射效应，使得光学雷达测量中产生折射误差。
The refraction effect of light-wave when it propagates in atmosphere brings refraction error to optic radar's measurement.
应用推荐