“elite variety of forest tree”的概念、定义、翻译、参考文献-科学参考

单词	elite variety of forest tree
释义	elite variety of forest tree Encyclopedia 农学﹝良种生产﹞释 elite variety of forest tree林木良种经过人工选育及严格的区域化试验，并通过本行业专家鉴定，证明在适生区域内的产量、质量和其他主要性状明显优于当地主栽树种或栽培品种，具有实际生产价值的林木繁殖材料。
随便看	differential-extremal differential fiber differential field differential flat systems differential flexure differential form differential form of Joule law differential form of Ohm law differential form theory differential function differential-functional equation differential gain differential galactic rotation differential Galois theory differential game differential game guidance law differential game theory differential gene determination differential gene expression differential-geometric differential-geometric invariant differential-geometric method differential-geometric structure differential geometry differential geometry in the large

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。