“草地农业生态学”的概念、定义、翻译、参考文献-科学参考

单词	草地农业生态学
释义	草地农业生态学 Encyclopedia 农学《草地农业生态学》释 Grassland Agriculture Ecology《草地农业生态学》中国规划的草原科学研究生教材和草原、畜牧本科专业教学参考书。
随便看	positive proposition positive psychology positive psychotherapy positive punishment positive quadratic differential positive quadratic form positive quantity positive ray function positive real axis positive real control positive real function positive real number positive real part positive real system positive recurrent point positive recurrent state positive reinforcement positive relation positive result positive root positive root system positive rotation positive school of criminology positive selection positive self-adjoint operator

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。