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...
High resolution spaceborne SAR gives new challenge to radiometric calibration.高分辨率星载SAR技术的发展,对辐射定标提出了新的挑战.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...
I was a little breathless and my heartbeat was bumpy and fast.我有点儿喘不上气，心脏咚咚地快速跳动着。We were breathless with anticipation.我们满怀期待，激动得快要无法呼吸。Chess fans around the globe watched the match with breathless interest.全世界的棋迷都屏息静观这场...
Carry the cup carefully and don't jiggle it, or you'll spill the coffee.把杯子小心端好,别摇晃, 否则会把咖啡溅出来的.You didn't mean to jiggle me, did you ?你并不想跟我捣乱, 是 吗 ?Electrons can jiggle and wiggle in a more energetic man...
对疼痛的忍耐力降低了，对感染的抵抗力也减弱了。There is lowered pain tolerance, lowered resistance to infection.这些猴子已经注射了由受感染的细胞培养而成的疫苗。The monkeys had been immunized with a vaccine made from infected cells.并不存在儿童受到感染的切实危险。There was never any r...
Apparently she was directing traffic.看样子,她是指挥交通的.Alf offered her a part in the play he was directing...阿尔夫在他导演的戏中给她安排了一个角色。But there seems indelicacy in directing his attentions towards her, so soon after this event.不过,她...