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containing
射线束
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Chinese
English
卫星天线波束射到地面的覆盖区
footprint
原子
射线束
atomic-beam
天线射束〔波束〕
antenna-beam
天线射束〔波束〕的控制
lobing
定向无线电射束
radio vector
射线束
beam
无线电测距射束
range leg
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