英语词汇“rgu system”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	rgu system
释义	RGU system RGU system [¦är¦jē′yü ‚sis·təm] (astronomy) A system for obtaining a complete assessment of a star's magnitude, based on measurements of the star's brightness when viewed through red, green, and ultraviolet filters.
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RGU system