“seedling gradation”的概念、定义、翻译、参考文献-科学参考

单词	seedling gradation
释义	seedling gradation Encyclopedia 农学〔苗木培育〕释 seedling gradation苗木分级对需要出圃的苗木按苗木质量标准进行等级划分。目的是使出圃苗达到国家规定标准，保证用壮苗造林，减少造林后的苗木分化现象，提高造林成活率和林木生长量。
随便看	medical ethics medical evaluation for astronaut Medical Examiner Dr. Qin medical expenses of procreation medical exposure medical fiber medical freezing devices medical gas concentrator device medical genetics medical geographic information system medical geographic map medical geography medical heath materials and dressing medical helminth medical HER(high energy ray) device medical HER treatment devices medical high frequency devices and instruments Medical Human Resource Management medical image medical image analysis medical image data medical image fusion medical imaging medical imaging technology medical immunology

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。