“unified purchase and sale”的概念、定义、翻译、参考文献-科学参考

单词	unified purchase and sale
释义	unified purchase and sale Encyclopedia 经济学统购包销释 unified purchase and sale统购包销在中国由新民主主义社会到社会主义社会的过渡时期，国营商业部门收购、销售私营工厂生产的与国计民生关系重大的产品的行为。
随便看	Central Department of Propaganda and Agitation of the Central Committee of the CPSU central derivative central diaphragm method central difference central difference; centered difference central difference notation central difference operator central difference quotient central dilation central disaster-prevention green space central dislocation of hip joint central distributed PV inverter system central distribution Central District central divided difference central division algebra central dogma central-Dominated galaxy central eclipse central edge Central Education Council Central Electricity Research Laboratory central element central emergency response agency central endomorphism

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。