求翻译：由此我们可将一般国际贸易物流过程抽象为一个存在着物流的增值网络拓扑结构。并可将物流基本问题归结为网络流量和路径选择问题。是什么意思？

Thus, we can abstract the general process of international trade logistics for the existence of a value-added logistics network topology. And the basic problem boils down to logistics network traffic and routing problems.

正在翻译，请等待...

From this we may abstract be exist the general international trade physical distribution process the physical distribution increment network topology.And may sum up the physical distribution basic question as the network current capacity and the way choice question.

From this we can abstract the process of international trade logistics in General add value to an existence of logistics network topology. Comes down to the basic problems and logistics network traffic and route choice problems.

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