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 electronic signals.
Most antennas are made in the shape of a dish to collect and reflect the radio waves to the sub reflector, in the same way as a curved mirror focuses visible light to one point.
大多数天线被制成碟形,用以收集和反射无线电波至亚反射器,就像曲面镜将可见光聚焦于一点一样。
The car's reflector was broken.
车的反光镜坏了。
The bicycle had a red reflector.
自行车上有一个红色的反光片。
词根词缀点击查看reflector词根词缀
真题
中考真题
考纲分布
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n. 反射器
考纲释义
n. 反射器
真题例句
Most antennas are made in the shape of a dish to collect and reflect, the radio waves to the sub-reflector.
大多数天线的工作原理与曲面镜将可见光聚焦到一个点一样。
[2019 温州卷 阅读理解]
Focus radio waves on the sub-reflector.
将无线电波聚焦在副反射器上。
[2019 温州卷 阅读理解]
A receiver and amplifier to receive the radio waves from the sub-reflector, and make these weak radio waves strong enough.