英语词汇“本星系群”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	本星系群
释义	本星系群 běn xīng xì qún以銀河系爲中心，半徑約300多萬光年空間內星系的總稱。已知成員和可能成員有星系四十個左右。主要的星系有銀河系，大、小麥哲倫星雲，三角座旋渦星系，仙女座旋渦星系m31和m32等。總質量約爲六千五百億個太陽質量。它又是範圍更大的本超星系團的一個成員。
随便看	countryside medical service countryside memory countryside MF countryside middle and primary school countryside middle school countryside middle schools countryside middle school student countryside middle-school student countryside network countryside new cooperative medical treatment countryside novel countryside novels countryside of jiangsu countryside of northeast china countryside of shaanxi province countryside of yunnan countryside of zhili countryside old age industry countryside old-age insurance countryside ordinances countryside organization countryside party branch countryside pe education countryside personnel countryside physical culture