“motion of a variable-mass body”概念、定义、翻译-科学时代

单词	motion of a variable-mass body
释义	力学词汇手册 motion of a variable-mass body 变质量体运动
随便看	relational operator relational proposition relational term relational tree relational typology relational verb relational wealth relation analysis relation back relation-back principle relation between nationalities relation database relation equation relationism relation judgment relation net relation of between relation of earnings to insurance relation of equivalence relation of genus and its species relation of identity relation of indeterminacy relation of inverse variation relation of production relation of production

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。