“grain-cash-forage rotation”的概念、定义、翻译、参考文献-科学参考

单词	grain-cash-forage rotation
释义	grain-cash-forage rotation Encyclopedia 农学粮-经-饲三元结构释 grain-cash-forage rotation粮—经—饲三元结构在一定面积的土地上，按照一定的比例种植粮食作物、经济作物和饲料作物的多元化种植模式。
随便看	elementary sum elementary surface elementary surgery elementary symmetric expression elementary symmetric function elementary symmetric functions elementary symmetric polynomial elementary syntax elementary system elementary theory elementary theory of numbers elementary tissue elementary tone elementary topological Abelian group elementary topology elementary topos elementary transcendental function elementary transformation elementary transformation of a matrix elementary translation elementary unit elementary variation elementary vocational education elementary volume elementary wave

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。