“heavy metals”的概念、定义、翻译、参考文献-科学参考

单词	heavy metals
释义	heavy metals Encyclopedia 理学地下水污染释 heavy metals重金属污染物由人为因素进入地下水并影响地下水的理化性质和组成，导致地下水质量恶化、地下水环境系统自然功能失调的，相对密度大于5000千克/立方米的物质。
随便看	regular expression regular extension regular extension field regular exterior measure regular extremal regular face regular factor regular factorization regular falsi regular fibration regular field regular field extension regular filter regular filtration regular first integral regular fixed point regular flights airline mileage regular flow regular flower regular food safety risk monitoring regular form regular function regular functional regular function algebra regular function element

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。