每个系统的收集信号的区域至少一百倍于阿雷西博望远镜。
The signal collecting area of each system would be at least100times greater than that of the arecibo telescope.
每个系统的收集信号的区域至少一百倍于阿雷西博望远镜。
The signal collecting area of each system would be at least 100 times greater than that of the arecibo telescope.
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。
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.
"其中一部分是有针对性的搜索，使用了世界上最大的射电望远镜，分别是：在波多黎各阿雷西博的由美国操作的望远镜，在法国南茜使用的望远镜。
One part is a targeted search using the world's largest radio telescopes, the American-operated telescope in Arecibo, Puerto Rico and the French telescope in Nancy in France.
因为很难得到充足的望远镜使用时间进行全天调查，如今SETI在阿雷西博的观测采取的是一种附加式的模式。
Because it is so hard to acquire sufficient telescope time for a sky survey, SETI observations at Arecibo were conducted up to now in the in the piggy-back mode.
他想要使用位于波多黎各的阿雷西博，世界上最大的无线电天文望远镜天线，作为发射器向邻近的恒星发射各种无线电问候。
He wants to use the world's largest radio-telescope dish, at Arecibo in Puerto Rico, as a transmitter to beam some kind of radio greeting towards nearby stars.
波多黎各的阿雷西博天文台望远镜直径仅300米。
Puerto Rico's Arecibo Observatory is only 300 meters in diameter.
波多黎各的阿雷西博天文台望远镜直径仅300米。
Puerto Rico's Arecibo Observatory is only 300 meters in diameter.
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