以下为句子列表:
英文: Because the way the dark energy density varies is dependent on the theoretical model, each theory predicts a different time for the transition point when the expansion of the universe switched from slowdown to speedup.
中文: 因为暗能量密度随时间的改变方式和理论模型有关,因此,在每个理论中,宇宙由减速过渡到加速膨胀的时间点亦不尽相同。
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英文: Forty years ago this July, scientists announced the discovery of definitive evidence for the expansion of the universe from a hotter, denser, primordial state.
中文: 在40年前的那个7月,科学家宣布他们找到了确切的证据,可以证明宇宙是从一个高热、高密度的太初状态,逐渐膨胀而成。
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英文: The expansion of the universe is like Darwinian evolution in another curious way: most scientists think they understand it, but few agree on what it really means.
中文: 宇宙的膨胀和达尔文的演化论,还有著另一个古怪的相似处:大部份科学家都认为他们了解这个理论,可是对其真正的涵义,却很少意见一致。
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