“天然放射性元素”的概念、定义、翻译、参考文献-科学参考

单词	天然放射性元素
释义	天然放射性元素 Encyclopedia 理学放射性元素释 natural radioelement天然放射性元素最初是从自然界中发现而不是用人工方法合成的放射性元素。天然放射性元素有钋、氡、钫、镭、锕、钍、镤和铀8个元素。 Chemistry ＞放射化学与辐射化学＞放射性元素化学＞释义 natural radioelements天然放射性元素
随便看	regional ecological regulation regional ecological risk regional ecological security regional ecological sensitivity regional ecological vulnerability regional ecology regional e-commerce practice regional economic advantage regional economic conflict regional economic cooperation regional economic cooperation organizations regional economic development regional economic development pattern regional economic growth regional economic growth model regional economic growth theory regional economic impact analysis for project regional economic integration Regional Economic Organizations regional economic planning regional economics regional economics model regional economic theory regional economy Regional economy and administration of ethnic minorities

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。