英语词汇“ursa minor 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	ursa minor system
释义	Ursa Minor system Ursa Minor system A dwarf elliptical galaxy that is a member of the Local Group. Ursa Minor system [′ər·sə ′mī·nər ‚sis·təm] (astronomy) A dwarf spheroidal galaxy in the Local Group, about 2.1 × 10⁵ light-years (1.2 × 10¹⁸ miles or 2.0 × 10¹⁸ kilometers) away.
随便看	water and sanitation and health education water and sanitation for health water and sanitation rotarian action group water and sanitation services south africa water and sediment control basin water and sediment protection water and sewer water and sewer authority water and sewer bond water and sewer expansion authority water and steam properties water and tillage erosion model water and toxic substances health research division water and waste authorities act water and waste management programs water and wastewater infrastructure water animal water antelope water apron water arum water-arum water aspirator water aspirators water assisted solid state reaction water-assist injection molding

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Ursa Minor system