“urban relict natural community”的概念、定义、翻译、参考文献-科学参考

单词	urban relict natural community
释义	urban relict natural community Encyclopedia 理学城市残存自然群落释 urban relict natural community城市残存自然群落在城市化之前就已存在，在城市建设过程中有意或无意留下的、受人为干扰影响较小的生物物种的集合。
随便看	positive film positive flower structure positive formula positive function positive functional positive fundamental sequence positive glow positive Grassmannian positive half-trajectory positive helicity spinors positive Hermitian kernel positive Hermitian operator positive homogeneous function positive hull positive image positive index of inertia positive infinity positive integer positive integral kernel positive interaction between nutrients positive ion positive ion, cation positive ion mode positive kernel positive kurtosis

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。