“primitive agriculture”的概念、定义、翻译、参考文献-科学参考

单词	primitive agriculture
释义	primitive agriculture Encyclopedia 经济学农业释 primitive agriculture原始农业主要使用石器、骨头等简单工具来从事农事活动的农业。是农业的第一个历史阶段。
随便看	soil separates classification soil shear strength soil shrinkage soil sickness in protected vegetable production soil silicon soil slip soil slope soil slope design soil sodication soil solidification soil solute breakthrough curve soil solute transport soil solution soil solution chemical equilibrium soil solution chemistry soil solution electrolyte soil solution ion soil solution ionic activity soil solution ionic hydration soil solution ionic strength soil spatial analysis soil spatial pattern in China soil spatial variability soil spatiotemporal evolution soil specific surface area

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。