“外来杂草”的概念、定义、翻译、参考文献-科学参考

单词	外来杂草
释义	外来杂草 Encyclopedia 农学〔地理起源分类〕释 exotic weeds外来杂草由人为因素有意或无意被引入到新生态环境，能在其中自然延续种群，并对新生态环境或其中的物种构成一定威胁的草本植物。
随便看	Wick product Wick rotation Wick's theorem Wick symbol Wick theorem Widder wide wide-angle wide-angle anastigmat wide-angle astrograph wide-angle astrometry wide-angle camera wide-angle coordinator wide-angle eyepiece wide angle lens wide-angle lens wide-angle object glass wide angle objective wide-angle objective wide-angle plate wide-angle telescope wide-aperture wide-aperture lens wide-aperture optical system wide-aperture system lens

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。