“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	population aging population aging level Population and Family Planning Law Population Atlas of China Population attributable Fraction，PAF population attributable risk，PAR population balance density population balance mode population-based strategy population-based study population behavior of complex financial systems population biology population bottleneck population capacity population carrying capacity population census population census of China population characteristic population classification population colonization population comparison population control population correlation coefficient population covariance population crash

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。