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卫星电视
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卫星电视
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卫星电视
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satellite television
卫星电视
利用静止卫星上的转发设备,将上行地球站发射的广播电视信号转发至地球特定地区,并通过地面卫星接收设备直接接收或转发节目的电视广播方式。
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defensive information operations
defensive innovation
defensive listening
defensive qi
defensive respiratory reflexes
deferent
de Fermat
deferment
deferoxamine (mesylate)
deferred approach to a limit
deferred charge
Deferred Compensation Plan
deferred constraint
deferred correction
deferred enforcement of administrative detention
deferred grazing
deferred imitation
deferred measurement principle
deferred processing
deferred reaction
deferred shading
deff
defiber
defibrator system
defibrillator
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