“observation of developmental stages of trees”的概念、定义、翻译、参考文献-科学参考

单词	observation of developmental stages of trees
释义	observation of developmental stages of trees Encyclopedia 农学林木发育期观测释 observation of developmental stages of trees林木发育期观测在地形、土壤、栽培水平一致的地段上，选取年龄长势相近、生长健壮的主要树木种类和品种，依据树木外部形态特征，按发育期出现顺序对各发育期出现日期进行观测和记录的活动。
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