“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	separating and leaving phase separating axiom separating basis separating cable network from TV station separating capacitor separating curve separating edge separating element separating family separating family of functions separating function algebra separating hyperplane separating Interview and editing from operation and management separating of two rights separating plane separating point Separating Public Service Units from Government separating reed separating set separating tac-plane separating theorem separating transcendental basis separating trivalent actinides from lanthanides separating uniformizing coordinate separating unit

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