“evaluation index system for cultivated land fertility”的概念、定义、翻译、参考文献-科学参考

单词	evaluation index system for cultivated land fertility
释义	evaluation index system for cultivated land fertility 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	logic of natural languages logic of philosophical category logic of predicates logic of programming logic of propositions logic of quantifiers logic of relations logic of science logic of scientific development logic of scientific discovery logic of scientific test logic of sets logic of vagueness logico-mathematical calculus logico-mathematical language logico-mathematical model logic operation logic predicate logic probe logic probe indicator logic programming logic programming language logic quantifier logic recovery methods and techniques logic representation

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。