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卫星广播业务
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卫星广播业务
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Broadcasting-Satellite Service; BSS
卫星广播业务
由空间电台发送或转发信号,旨在由公众直接接收的无线电通信业务。又称卫星广播无线电通信业务[注]。
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invariant system
invariant tensor
invariant test
invariant theory
invariant torus
invariant transformation
invariant treatment
invasion
invasional bottleneck effect
Invasion alien species act
invasional latent time
invasional meltdown hypothesis
invasion mechanisms
invasion of American white moths
invasion of building group
invasion percolation
Invasive Alien Species Act in Japan
invasive aquatic animals
invasive brain computer interface
invasive electrophsiology devices and innovation ones
invasive infection disease
invasive mechanical ventilation
invasive medical sensors
invasiveness
invasive plant displacement control
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