“natural radioelement”的概念、定义、翻译、参考文献-科学参考

单词	natural radioelement
释义	natural radioelement 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。
随便看	decoration materials decoration mortar decoration technique decoration textile materials for architecture decoration transformation decorative and mark pattern of rock decorative cement decorative ceramics decorative cloth decorative coating decorative colour Decorative Face Paintings of China decorative lace decorative lighting decorative mark decorative painting decorative paper decorative polymer decorative rope decorative stitch machine decorative towel decorative veneer Decorative Woodworking decorator pattern decorin

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。