medium of circulation

As the medium of exchange, the quantity of currency is from a small amount into large numbers in circulation, and its function has gradually strengthened.

最初行使交换媒介功能的货币，从少量使用发展为大量流通，其作用也逐步加强。

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Methods Twenty-six children patients with partial common atrioventricular canal underwent operation by thoracic medium incision and lateral-anterior incision under superficial hypothermia cardiac-pulmonary bypass with heart-beating from Oct, 1994 to Oct, 2001.Results The main time of extracorporeal circulation was 56.8 minutes.

方法：自1994年10月～2001年10月，经胸正中切口及右胸前外切口在浅低温体外循环心脏不停跳下行小儿部分性房室共同通道手术矫治26例。

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milton friedman: nobody smoked cigarettes. they were for small transactions. cognac was a medium of circulation for large transactions.

弗里德曼：没有人抽香烟，它们被用于小笔交易。科涅克白兰地则成为大宗买卖的交易媒介。

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