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distance indicators中文是什么意思

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用"distance indicators"造句"distance indicators"怎么读"distance indicators" in a sentence

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  • 距离指针

例句与用法

  • Each one has its advantages and disadvantages . both of them are called the distance indicators
    基本上这两种量度星系距离的方法有各自的优缺点,无论如何,它们都是天文学家不可或缺的
  • We have to use quite a few distance indicators because there is no single one that can measure all the distances . this is the
    利用已知而可靠量度近距离天体的量天尺,去校准量度更远距离天体的量天尺,是科学家常用的惯技。
  • This usually means that we find out the relation using stars near us , then apply the relation to greater distances . in general , we use accurately determined distance indicators for small distance to calibrate distance indicators for greater distances
    事实上,科学家首先找一些离我们较近的造父变星,找出它们的光变周期与光度的关系,然后假设这个关系对遥远的同类变星依然适用。
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