“niobium”的概念、定义、翻译、参考文献-科学参考

单词	niobium
释义	niobium Encyclopedia 工学铌释 niobium铌化学元素，元素符号Nb，原子序数41，原子量92.9064，属周期系VB族。理学铌释 niobium铌化学元素，元素符号Nb，原子序数41，原子量92.90637(2)，属周期系ⅤB族。 Physics niobium铌41Nb｛化｝ Astronomy niobium缩写：Nb。铌 Chemistry ＞无机化学＞无机化学基本概念与无机化合物＞释义 niobium铌
随便看	political reform thought of China's landlord class political relation political revolution political rhetoric political rights political risks in overseas investment political ritual political role political rule political scheme directed the countryside of the Kuomintang government political science political science of resources Political Science Syllabus political slogan political socialization political sociology political speech political stability political state political stratification political structure political structure of society political subject political superstructure political system in ancient Greek polis

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。