External calibration is key method used for spaceborne SAR antenna onboard measurement.天线外定标是实现星载SAR天线方向图在轨测试的主要手段.These results are significant for the SAR design and application.其结果对于无人机载小型SAR的设计和应用都有重要意义.High resoluti...
We can curb juvenile delinquency by education.我们可以通过教育来控制少年犯罪.The boy sat on the curb and watched the cars go by.那个男孩坐在马路边石上看过往的车辆。Wade released the hand brake and pulled away from the curb.韦德松开手刹驶离路边。The drainage, guard...
They can't destroy truth without destroying each and every one of us.除非他们将我们赶尽杀绝，否则真理不灭。Frogs eat pests which destroy crops and carry diseases.青蛙吃破坏庄稼、传播疾病的害虫。After the killing, he calmly lit a fire to destroy evide...