“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	linear time-invariant systems linear time-varying control system linear time-varying system linear time-varying system stability linear titration linear topological property linear topological space linear topology linear transform linear transformation linear transformation group linear transformation kernel linear transformation model linear transport equation linear transport theory linear trend linear trend extrapolation linear type linear U(J) relation linear unbiased estimate linear unbiased estimator linear U relation linear variation linear variational method linear variety

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。