“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	stiff differential system stiffened plates and shells stiffening stiff equation stiffly stable system stiffness stiffness analysis of structures stiffness coefficient stiffness coordination principle stiffness finishing stiffness matrix stiffness method stiffness ratio stiff problem stiff silkworm stiff-stability stiff swine stiff system stiff tongue STIG stigm stigma stigmastane stigmasterol stigmatic

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。