名词
中文翻译:哈勃常数
同义词:
['Hubble constant', "Hubble's constant"]
例句:
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1.The Hubble constant is a measure of the rate of expansion of the universe.
哈勃常数是衡量宇宙膨胀速率的一个指标。
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2.The discovery of dark matter and dark energy has challenged our understanding of the universe.
暗物质和暗能量的发现挑战了我们对宇宙的理解。
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3. The Hubble constant is expected to change over time due to the effects of gravity on spacetime.
随着重力对时空的影响,哈勃常数预计会随着时间的推移而发生变化。