|
关注：1
2013-05-23 12:21
求翻译：With radar,however,the waves are radio waves instead of sound waves.Radio waves travel at the speed of light,about 300,000 kilometers in one second.A RADAR SET SENDS OUT A SHORT BURST OF RADIO WAVES.Then it receives the echoes produced when the waves bounce off objects.By determining the time it takes for the echoes to是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
With radar,however,the waves are radio waves instead of sound waves.Radio waves travel at the speed of light,about 300,000 kilometers in one second.A RADAR SET SENDS OUT A SHORT BURST OF RADIO WAVES.Then it receives the echoes produced when the waves bounce off objects.By determining the time it takes for the echoes to
问题补充： |
|
2013-05-23 12:21:38
然而，雷达，波无线电波，而不是声音waves.Radio波旅游以光的速度，约30万公里，在一个second.A雷达发送一个短脉冲无线电WAVES.Then它接收到的回声生产时浪反弹objects.By确定的时间返回到雷达相呼应，一个训练有素的技术员可以确定雷达之间的距离设置其他objects.The字的“雷达”，其实，得到它的名字，从的燕鸥的“无线电探测和测距”。“到”检测的对象之间的距离的长期和set.Besides至关重要飞行员雷达的雷
|
|
2013-05-23 12:23:18
|
|
2013-05-23 12:24:58
|
|
2013-05-23 12:26:38
|
|
2013-05-23 12:28:18
|
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
