It's only when you look at its properties on really big cosmological length scales, billions of light-years across, that you start to see the accumulative effects of the dark energy.
只有当你在真的很大的宇宙尺度下才能看到它的性质,数十亿光年的跨度,你开始看到暗能量的累积影响。
单词 | scale length |
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原声例句
美国历史频道纪录片《宇宙》 It's only when you look at its properties on really big cosmological length scales, billions of light-years across, that you start to see the accumulative effects of the dark energy. 只有当你在真的很大的宇宙尺度下才能看到它的性质,数十亿光年的跨度,你开始看到暗能量的累积影响。 Linear algebra This is why the dot product with a non unit vector can be interpreted as 1st projecting onto that vector, then scaling up the length of that projection by the length of the vector. 这就是为什么与非单位向量的点积可以解释为首先投影到该向量上 然后将该投影的长度乘以该向量的长度。 |
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