suspended valley 中文意思是什麼
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One advantage of the space telescopes is that they will not be affected by the atmosphere, e. g., weather or turbulence. the following is a photo of the largest in term of collecting area radio wave telescope, arecibo, suspended over a valley in puerto rico with a diameter of 300 m
太空望遠鏡其中一個好處是不受大氣層如密雲或大氣擾動的影響，下圖是位於波多黎各一個山谷中世界上口徑最大直徑300米的阿雷西博射電望遠鏡。
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