“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。
随便看	main beam main-beam efficiency main belt main-belt asteroid main-belt comet mainboard mainboard, masterboard, motherboard main body Main Botanical Garden of Moscow, Russian Academy of Sciences main branch main-branch library system of Dongguan Library main-branch library system of Suzhou Library main bridge type main building of terminal Main Building of Tianjin West Station maincenter main chain main chain liquid crystalline polymer main-chain liquid crystalline polymer main check line comparison Main Chinese chess scores main circuit main circuit breaker of electric locomotive main class main combustion chamber

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