“铜污染”的概念、定义、翻译、参考文献-科学参考

单词	铜污染
释义	铜污染 Encyclopedia 工学铜污染释 pollution by copper铜污染由冶炼、金属加工、机械制造、钢铁生产及铜矿开采等工业生产过程导致含铜物质进入环境，并超过环境质量标准限值或造成生物生态危害影响的现象。
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。