“grassland irrigation cycle”的概念、定义、翻译、参考文献-科学参考

单词	grassland irrigation cycle
释义	grassland irrigation cycle 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。
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