“periodic law”的概念、定义、翻译、参考文献-科学参考

单词	periodic law
释义	periodic law Encyclopedia 理学周期律释 periodic law周期律化学元素的性质随着元素的原子序数的增加呈周期性变化的规律。元素周期律的简称。
随便看	river governing traverse planning river gradient rivergradient observation slope observation river head River Huan and Wuxie Scenic and Historic Area river hydrology river improvement survey riverine landscape river-lake relation river-lake relationship river-lake system connectivity river landform river landscape River La Plata Region People’s Fight of Resistance against Britain river loaches river longitudinal profile river magistrate river management river-marine vessel river meander restoration river mechanics river morphology river mouth landform River Nanxi Scenic and Historic Area river network

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。