“土壤肥力分级”的概念、定义、翻译、参考文献-科学参考

单词	土壤肥力分级
释义	土壤肥力分级 Encyclopedia 农学土壤肥力分级释 soil fertility grading土壤肥力分级根据土壤供应和协调水、肥、气、热的特征指标，将土壤划分成若干肥力等级的过程。
随便看	standard solar model standard solution standard solution of acid standard solution of acid (base) standards on food related products standard source standard space standard spectrum standard sphere standard spheroid standard square standard star standard star for photometry standard star for radial-velocity standard star for spectral classification standard star for spectrophotometry standard state Standard State Zoning Enabling Act standard steam standard stochastic matrix standard system standard system for intelligent transportation system standard system of aviation industry standard system of water conservancy informatization standard tableau

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。