“苗木分级”的概念、定义、翻译、参考文献-科学参考

单词	苗木分级
释义	苗木分级 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	exposure degree exposure device exposure dose exposure fog exposure frequency exposure health risk exposure labeling exposure labelling exposure latitude exposure limit exposure marker exposure meter exposure-meter exposure mode exposure modulation exposure nucleus Exposure of the truth of Jiaochangkou Event by Chongqing press exposure parameter equation exposure pathways exposure point exposure rate exposure-response relationship exposure routes of heavy metals exposure station exposure therapy

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。