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。
2
Unbeknownst to them, a male observer and a female observer watch the interaction from behind a one-waymirror.
他们并不知道,从一个单向镜的后面,还有一名男性和一名女性观察员在观察着他们之间的互动。
3
Words can appear to be part of a one-waymirror, but they are in fact surprisingly reciprocal — a dynamic I’m reminded of when I call upon my father through his poetry.