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单词
standard star
释义
standard star
standard star
[
′stan·dərd ′stär
]
(astronomy)
A star whose position or other data are precisely known so that it is used as a reference to calculate positions of other celestial bodies, or of objects on earth.
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hfpt
hfpta
hfptp
hfpu
hfpv
hfpwa
hfq
hfqlg
hfqmb
hfqpo
hf-r
hfr
hfra
hf radio
hfr-apira
hfrb
hfrc
hfrcc
hfrce
hfr cell
hfrci
hfrd
hfrdi
hfre
hfref
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更新时间:2026/6/9 23:41:05