“platinum group”的概念、定义、翻译、参考文献-科学参考

单词	platinum group
释义	platinum group Encyclopedia 理学副族释 platinum group铂系元素在周期表中处于d区Ⅷ族的第五和第六周期的6个金属元素。分别是：钌、铑、钯、锇、铱和铂。
随便看	observational dispersion observational error observational learning observational material observational method observational network observational predicate calculus observational program observational project observational quantity observational sampling observational selection observation and description on external things observation and imitation of character observation control system observation equation observation error observation function observation likelihoods observation measurements observation method observation network at seabed observation of agrometeorological disasters observation of crop developmental stages observation of crop growth

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。