“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	worldsheet supersymmetry World Snooker Championship World Snowboarding Championships world society World Society of Ekistics World Society of Victimology World Soil Day World Space Observatory-Ultraviolet World Space Week world spirit World Sports World Squash Federation World's Strongest Man World Stage Design World Star Packaging Awards world statistics day World Student Christian Federation World Surf League World Swimming Championships world systems analysis theory world system theory World Table Tennis Championships World Taekwondo Federation World Theatre Education Alliance world thunderstorm activity

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。