第116句
the existence of the giant clouds was virtually required for the big bang,first put forward in the 1920s,to maintain its reign as the dominant explanation of the cosmos.
译文：巨大的宇宙云的存在，实际上是使20世纪20年代首次提出的大爆炸论得以保持其宇宙起源论的主导地位所不可缺少的。
第117句
astrophysicists working with ground-based detectors at the south pole and balloon-borne instruments are closing in on such structures,and may report their findings soon.
译文：天体物理学家们使用南极陆基探测器和球载仪器，他们正越来越近地观测这样的云系，也许不久就会报告他们的观测结果。
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