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卫星广播电视传输网
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卫星广播电视传输网
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卫星通信
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satellite broadcasting and TV transmission networks
卫星广播电视传输网
利用地球静止轨道通信广播卫星实现广播电视信号发射和接收的传输网络。
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earth forest
Earth Forest-Guge Scenic and Historic Area
earth free oscillation
earthgas nanometal survey
earthgas survey
earth-geomagnetic navigation
Earth God opera
earth gravitational perturbation
earth gravity field
earth gravity potential model
earth-grazer
earth-grazing asteroid
earth, ground
earth-inductor
earthing
earthing of the railway vehicles
earthing switch for busbar
earth-ionosphere waveguide radio wave propagation
earth-light
earthlight
Earth-like exoplanet
Earth-like planet
earthly branch-preion of point selection
earth magnetic field
earth magnetosphere
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