n.再交換；退匯

This paper is mainly discussed the problem of data reexchange when we exchange data using pointer variables in an example of C programming. 摘要文章主要討論了在C語言教學(xué)中的一個數(shù)據(jù)交換實例中利用指針變量進行數(shù)據(jù)交換，而出現(xiàn)的數(shù)據(jù)重復(fù)置換的問題；

The client uses cash remit money, not obligate has address and connection telephone call, because remit hind is other reason by reexchange, how should handle? 客戶用現(xiàn)金匯款，未預(yù)留有地址和聯(lián)系電話，匯出后由于其他原因被退匯，應(yīng)該怎樣處理？

data reexchange 數(shù)據(jù)重復(fù)置換