“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	projective arc projective arc length projective assembly projective axiom projective base projective binormal projective bundle projective character projective class projective class group projective classical group projective classification projective closure projective collineation projective compactification projective cone projective configuration projective conic projective connected space projective connection projective coordinate projective coordinates projective coordinate system projective correlation projective correspondence

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。