“forage growth period”的概念、定义、翻译、参考文献-科学参考

单词	forage growth period
释义	forage growth period Encyclopedia 农学牧草生育期释 forage growth period牧草生育期一般指种子播种到新种子成熟所需的天数。又称全生育期。农学牧草生长期释 forage growth period牧草生长期在某一地点一年中一定温度以上牧草可持续生长的日数，也指一年生牧草播种至新种子成熟或多年生牧草返青至停止生长可持续的日数。
随便看	positive (symmetric) operator positive symmetric operator positive system of roots positive term positive term series positive trace positive type positive uniaxial crystal positive value positive variation positive variation of a function positive variation of signed measure positive vector positive vector bundle positive vibrating mitigation positive Weyl chamber positive youth development positive zero positivism positivism methodology of psychology positivism policy analysis positivist history positivistic sociology positivist jurisprudence positivity

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