“草地灌水周期”的概念、定义、翻译、参考文献-科学参考

单词	草地灌水周期
释义	草地灌水周期 Encyclopedia 农学牧草灌溉制度释 grassland irrigation cycle草地灌水周期为了维护草地生态系统的正常运转，前后连续两次给草地灌水的时间间隔长度。
随便看	polynomial series polynomial solution polynomial space class PSPACE polynomial space complexity class polynomial space complexity class, PSPACE polynomial span polynomial spline polynomial symbol polynomial term polynomial theory polynomial time polynomial time algorithm polynomial-time algorithm polynomial time approximation scheme polynomial-time approximation scheme polynomial-time approximation scheme (PTAS) polynomial time class P polynomial time complexity class polynomial time complexity class, P polynomial time computable distribution polynomial time hierarchy polynomial time many-one reducible to polynomial time reducible language polynomial time reduction polynomial time samplable distributions

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。