“exotic weeds”的概念、定义、翻译、参考文献-科学参考

单词	exotic weeds
释义	exotic weeds 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	exact sequence exact solution exact square exact symplectic mapping exact test exact trace exact triangle exact trilinear coordinate exact value EXAFS exaggerated modify Exaltation of the Holy Cross examination examinational and approval system for the admission of foreign investment examination and approval by the People's Congress examination and approval of budgets examination and approval of forest tree variety examination and approval system examination and employing of civil servants examination and evaluation of kidney disease examination and repair scheme examination essays examination for errands examination for meningeal irritation examination for the master's certificate

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。