“优树”的概念、定义、翻译、参考文献-科学参考

单词	优树
释义	优树 Encyclopedia 农学优树释 superior tree优树在相同立地条件下的同龄林分中，生长、材质、干形、适应性等方面表现特别优良的单株。又称入选树、正号树。
随便看	ion association complex ion-association complex ion back scattering analysis ion back-scattering spectroscopy ion back-scattering spectroscopy, IBS Ion Barbu ion beam ion beam analysis ion-beam analysis ion beam analysis (IBA) ion-beam analysis, IBA ion beam deposition ion beam deposition，IBD ion-beam driven inertial fusion ion beam epitaxy ion beam etching ion beam figuring ion beam induced luminescence ion beam interaction with solids ion beam irradiation ion beam irradiation breeding ion beam machining ion beam microfabrication of vacuum electronic device ion beam mixing ion-beam mixing

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。