... 抛物面天线 parabolic antenna 抛物面射电望远镜 parabolic radio telescope 抛物面接收天线 receiving paraboloid ...
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parabolic radio telescope detail 抛物面射电望远镜
fully steerable parabolic radio telescope 可跟踪抛物面射电望远镜
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。
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