“common weed”的概念、定义、翻译、参考文献-科学参考

单词	common weed
释义	common weed Encyclopedia 农学〔危害性的杂草分类〕释 common weed常见杂草发生频率较高，分布范围较为广泛，可对作物构成一定危害，但群体数量不大，一般不会形成优势的杂草。
随便看	relative molecular mass relative molecular weight relative motion relative movement relative navigation relative nearness relative neighborhood relative norm relative normal relative normal curvature of conjugate tooth-surfaces relative nullity relative number relative number of spots relative number of sunspots relative operating characteristic relative orbit relative orbital elements relative order relative orientation relative overpopulation relative parallax relative partial dispersion relative partial molar enthalpy relative performance evaluation relative permeability

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。