To avoid interferences, and keep the telescopes sensitive, radio telescopes are built in places where there are no human radio waves or electronicsignals.
为了避免干扰,保持望远镜的灵敏度,无线电望远镜被建在没有人为的无线电波或电子信号的地方。
2
A receiver and amplifier receive the radio waves from the sub reflector, and make these weak radio waves strong enough to be recorded and turned into electronicsignals.