| 单词 | rr lyrae variables |
| 释义 | RR Lyrae variables in American English (ˌɑrˌɑr ˈlaɪri) any of the very regular, short-period, pulsating variable stars having periods between 1.5 and 29 hours Word origin RR, astronomical code designation of tenth variable + Lyrae, gen. of L Lyra, Lyra |
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