model of circulation

• 流通模式

model of circulation的用法和样例：

例句

1. The connotation of grain circulation is introduced, the problems of the circulation mode are analyzed, and the countermeasures for improving the circulation mode are put forward.
   介绍了粮食流通的涵义，分析了安徽粮食流通模式存在的问题，有针对性地提出了改善粮食流通模式的措施。