distance indicators 中文意思是什麼
distance indicators
解釋
距離指針- distance : n 1 距離，路程。2 遠隔，遠離；遠處，遠方。3 （時間的）間隔，長遠，長久。4 懸殊。5 隔閡，疏遠。6 ...
- indicators : 指標
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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離天體的量天尺，去校準量度更遠距離天體的量天尺，是科學家常用的慣技。 -
Each one has its advantages and disadvantages. both of them are called the distance indicators
基本上這兩種量度星系距離的方法有各自的優缺點，無論如何，它們都是天文學家不可或缺的 -
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
事實上，科學家首先找一些離我們較近的造父變星，找出它們的光變周期與光度的關系，然後假設這個關系對遙遠的同類變星依然適用。
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