“生产提前期”的概念、定义、翻译、参考文献-科学参考

单词	生产提前期
释义	生产提前期 Encyclopedia 工学生产计划释 earliness生产提前期毛坯、零件或部件在各个工艺阶段出产的日期比产品出产的日期应提前的时间。
随便看	positive strain energy positive strand positive subspace positive supportive reaction positive (symmetric) operator positive symmetric operator positive system of roots positive term positive term series positive trace positive type positive uniaxial crystal positive value positive variation positive variation of a function positive variation of signed measure positive vector positive vector bundle positive vibrating mitigation positive Weyl chamber positive youth development positive zero positivism positivism methodology of psychology positivism policy analysis

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。