The satellite receives the radio waves, amplifies them, and sends them back toearth, where another station picks them up and changes them back into television signals.
卫星接收无线电波，增强后再发送回地球，另一个站接收这些信号，把信号再变为电视信号。
2
The satellite receives the radio waves and sends them back toearth, where another station picks them up and changes them back into television signals.
卫星收到无线电波之后，再把它们发回地球，由地球上的另一个地面站接收信号，并把它们转换回电视信号。
3
In order to transmit an event such as the Olympics via satellite, television signals are first changed into radio waves, which are then sent from a station on earthto a orbiting satellite.