In other cases, goods are "indivisible" and cannot be chopped up into small parts to be used in direct exchange.
在其他情况下，商品可能会无法分割，无法被切成一个个小部分用于直接交换。
The first point of irony is that everyone who looks at the Time cover doesn't see others with whom they are supposed to be in direct exchange - what they see is a mirror-image of themselves.
首要的讽刺就在于，每一个看《时代》封面的人都无法看到与其进行直接交流的对象——他们看到的不过是自身的镜像而已。
A medium of exchange. As a generally accepted medium of exchange, money rules out the need for barter, the direct exchange of one item for another.
作为一个被广泛接受的交换中介，货币消除了以货易货，即一个物品与另一物品直接交换。
Such an assay does not preclude the direct exchange of serine and glycerol phosphate.
这样一个试验并不杜绝丝氨酸同磷酸甘油的直接交换。
The direct exchange of goods and services which is completed in a short period of time.
是货物和服务的直接交换，一般在短时期内完成。如用新西兰的冻牛肉换取伊朗的原油。
In this paper, the direct exchange area equations between any two zones in the cylindrical furnace are given.
本文给出了在圆筒炉中任意两区间的直接交换面积公式。
This term is synonymous with the term main station or Direct Exchange Line (DEL) which are commonly used in telecommunication documents.
这个术语与通信文献中常见的主站或直拨交换线(DEL)是同义的。
Direct exchange of Internet securities which indicates the future orientation of securities transaction can reduce the cost and improve the efficiency remarkably.
网上证券直接交易能显著降低交易成本、提高交易效率，发展前景十分广阔。
Direct exchange of Internet securities which indicates the future orientation of securities transaction can reduce the cost and improve the efficiency remarkably.
网上证券直接交易能显著降低交易成本、提高交易效率，发展前景十分广阔。
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