“步交会”的概念、定义、翻译、参考文献-科学参考

单词	步交会
释义	步交会 Encyclopedia 理学〔概念、理论与方法〕释 Bu Jiaohui步交会中国古代历法中日、月食相关的推算方法。交会以日月交会为主，又称交食。
随便看	nonnegative orthant nonnegative partial sum nonnegative quadratic form nonnegative semi-definite matrix nonnegative solution nonnegative splitting nonnegativity nonnegativity condition nonnegativity requirement non nesting matching non-nesting matching nonnesting matching non nesting partition non-nesting partition nonnesting partition non neutral plasma non-neutral plasma nonneutral plasma non-Newtonian behavior non-Newtonian flow non-Newtonian flows non Newtonian fluid non-Newtonian fluid non-Newtonian fluid mechanics non-Newtonian porous flow

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。