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	Near-Term Optical Sensor Technology Near-Term Prepositioned Ships Near Term Propositioning Force near term prospect near-term prospect Near Term Schedule Near Term Scout Helicopter near term securities near-term securities Near-Term Swimmer Defense System near-term target Near-Term Torpedo Improvement Program NearTerm Torpedo Improvement Programme near-term trend near term work-load neart girth near that time or date near the air Near the average in size near the bank near the bone Near the cold front there were thin rope clouds near the crossroads near the edge of near the end of…