visible point的意思|示意

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。

In 1975 the Chinese installed the first survey beacon on Everest, a red reflector visible through a theodolite for ten miles, as a reference point.

1975年，中国在珠穆朗玛峰上安装了第一个测量信标，这是一个红色的反射器，可作为参考点，通过经纬仪可以在10英里外看到。

Geniuses, however they are defined, are but the peaks which stand out through the mist of history and are visible to the particular observer from his or her particular vantage point.

天才，无论如何定义，不过是在历史的迷雾中突出的山峰，是特定的观察者从其特定的有利位置所能看到的。