“地力分级法”的概念、定义、翻译、参考文献-科学参考

单词	地力分级法
释义	地力分级法 Encyclopedia 农学地力分级法释 evaluation index system for cultivated land fertility地力分级法利用土壤养分测试资料和田间试验结果，将土壤肥力分成若干等级，根据养分丰缺等级确定施肥建议的方法。
随便看	compact submanifold compact subset compact subspace compact subvariety compact support compact support function compact surface compact tensile test compact topological group compact topological space compact torus compact transformation compact transformation group compact tungsten compact type compactum compactus compact very broadband seismometer of three-component compact X-ray source compact γ-ray source compages compaign and fraud detection compander companding compandor

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。