“promotion of improved forest varieties”的概念、定义、翻译、参考文献-科学参考

单词	promotion of improved forest varieties
释义	promotion of improved forest varieties Encyclopedia 农学林木新品种释 promotion of improved forest varieties林木良种推广在一定区域内，把通过审定且产量、适应性、抗性等方面明显优于当前主栽材料和种植材料的林木种子进行推广的活动。
随便看	maximal condition maximal condition for left ideals maximal connected subgraph maximal connected subgroup maximal consistent set maximal correlation coefficient maximal curvature maximal cut maximal deficiency maximal degree maximal density maximal deviation maximal dilatation maximal dilatation ratio maximal dimension maximal disk model maximal dissipative operator maximal divisor maximal dual pair maximal element maximal element of a set maximal entropy maximal equivalent order maximal ergodic theorem maximal-ergodic theorem

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