“林木发育期观测”的概念、定义、翻译、参考文献-科学参考

单词	林木发育期观测
释义	林木发育期观测 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	effective demand effective density of dense medium suspension effective derivation effective descriptive set theory effective diameter of objective effective Diophantine approximation effective discharge effective distance effective divisor effective domain effective dose effective elastic thickness effective enumeration effective equivalent dose effective equivalent dose rate effective error mean square effective field effective field theory effective filter response effective filtration pressure effective flow resistance effective f-number effective focal length effective focal spot effective focus length

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。