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宇宙距离阶梯
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宇宙距离阶梯
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cosmic distance ladder
宇宙距离阶梯
通过一系列的距离相对估测途径,由近及远逐级(阶梯式地)测定宇宙中各类天体距离的过程和方法。
Astronomy
cosmic distance ladder
宇宙距离阶梯
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ultrametric
ultrametric field
ultrametric inequality
ultrametric norm
ultrametric skew field
ultrametric space
ultrametric triangle inequality
ultrametric valuation
ultramicro analysis
ultramicroanalysis
ultramicro [analytical] balance
ultramicro analytical balance
ultramicro balance
ultramicrobalance
ultramicrochemical manipulation
ultramicrochemistry
ultramicro Chinese medicinal powders
ultramicrocoacervation
ultramicroconcentration
ultra microcrystal
ultramicrodetermination
ultramicroelectrode
ultramicrometer
ultramicropalaeontology
ultra microscope
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