By means of a radio dish belonging to NASA's Deep Space Network, the message was sent out into the depths of space.
通过美国国家航空航天局深空网络的无线电天线,信息被发送到太空深处。
This is significant because of the unique geometrical features of the Arecibo telescope: whereas most radio dishes are parabolic in shape, the Arecibo dish is a giant half-sphere dug into the ground.
这非常重要,由于阿雷西博望远镜的独特几何结构:尽管绝大多数的射电望远碟面都是抛物面型的,而阿雷西博的碟面是在地上挖出的一个巨大半球。
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。
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