“天然草原”的概念、定义、翻译、参考文献-科学参考

单词	天然草原
释义	天然草原 Encyclopedia 农学天然草原释 natural grassland天然草原在非生物环境（大气、土地等）、生物和生产劳动三类因素的共同作用下形成的大面积天然植物群落。
随便看	normal axonometry normal base normal basis normal basis theorem normal behavior normal bifurcation normal block bundle normal bundle normal bundle of a submanifold normal bus transit normal calculus normal chain normal channel spillway normal characteristic normal-circulation well clean-up normal class normal closure normal commutation relations normal complement normal complex normal complexion normal complex space normal component normal composition normal concrete

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。