“arc second”的概念、定义、翻译、参考文献-科学参考

单词	arc second
释义	arc second Mathematics arc second秒角的单位 arcsecond = arc second秒角的单位 Astronomy arc second缩写：arcsec。角秒
随便看	ubiquitous constant ubiquitous information environment ubiquitous learning ubiquitous mode ubiquitous network ubiquitous networks ubiquitous positioning ubiquitous sensing ubiquitous tree Ubisch body Ubitron Ub Iwerks Ubon Ratchathani UBP ubquitination U burst UBV color system UBVGRI photometry UBVGRI测光 UBV photometry UBV photometry system UBVRI color system UBVRIJKL photometry UBVRIJKL测光 UBVRI photometry

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