“星系的金属丰度”的概念、定义、翻译、参考文献-科学参考

单词	星系的金属丰度
释义	星系的金属丰度 Encyclopedia 理学星系分布释 metallicity in galaxy星系的金属丰度星系内恒星和星际物质中金属元素与氢元素的粒子总数或总质量之比。
随便看	head office Head Office of Xinhua Bookstore head of hydraulic turbine head of hydroelectric power station head of painted pottery goddess head of pump head of the Directorate of Education (official name) head of the line processor sharing head-of-the-line processor sharing Head-on head-on collision head-on cross-section head-on encounter head ornaments of a female role head or tail headphone Head Portrait of Jade God from Xiaojiawuji Site Head Portrait of Sargon head positioning mechanism headprism head process headquarters model headquarters office building/corporate architecture Headquarters of the 4th Front Army,Chinese Workers' and Peasants' Red Army Headquarters of the 7th and 8th Corps,Chinese Workers' and Peasants' Red Army

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。