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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。
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AN IMPROVEMENT OF FRESNEL EXPERIMENT
AN IMPROVEMENT OF LIGHTHOUSE MODEL
An Improvement of Permutation Method
An Improvement of Spherical Valve
an improvement on
An Improvement on AutoCAD Curve-fitting
an improvement upon
an improving case of measles
an improvisation
an improvised response/speech
an imprudent act
an impudent remark
An impudent young fellow
an impulsive action
an impulsive boy
an impulsive force
an impulsive gesture of affection
an impulsive person
an impulsive remark
an impure and immoral life
An impure art form
an impure chemical
an impure desire
an impure mind
An impure style
英汉汉英双解词典包含9999994条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。
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更新时间：2025/11/7 18:51:50