“Unified Purchase and Marketing of the Major Agricultural Products”的概念、定义、翻译、参考文献-科学参考

单词	Unified Purchase and Marketing of the Major Agricultural Products
释义	Unified Purchase and Marketing of the Major Agricultural Products Encyclopedia 历史学重要事件释 Unified Purchase and Marketing of the Major Agricultural Products主要农产品统购统销中华人民共和国成立初期对粮食、油料、食油、棉花及棉布等主要农产品实行的计划收购、计划供应的措施。简称统购统销。
随便看	constant pressure variable displacement pump constant price constant prime constant probability constant problem constant progression constant propagation constant quantity constant random variable constant rank constant-rank mapping constant-rank morphism constant-ratio head constant region constant release constant sale books constant sheaf constant species constant specific mass flow pattern constant speed constant frequency constant speed drive unit constant-speed mercury intrusion constant speed motor/generator constant stratum constant stress test

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。