“yttrium”的概念、定义、翻译、参考文献-科学参考

单词	yttrium
释义	yttrium Encyclopedia 理学钇释 yttrium钇化学元素，元素符号Y，原子序数39，原子量88.90584(2)，属周期系ⅢB族，稀土元素。 Astronomy yttrium缩写：Y。钇 Chemistry ＞无机化学＞无机化学基本概念与无机化合物＞释义 yttrium钇
随便看	propositional attitudes propositional axiom propositional calculus propositional connective propositional constant propositional form propositional formula propositional fragment propositional function propositional inference propositional intermediate logic propositional logic propositional mu-calculus propositional quantifier propositional representation propositional system propositional value propositional variable propositional variable; sentential variable propositional μ-calculus Proposition Bank proposition bank proposition obtained by polarity proposition of divide conclusion form proposition or example as negative evidence

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。