The transportation bottleneck has blocked the movement of the cargo.

运输的困难阻塞了货物的流通。

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Bottleneck analysis: Type of analysis concentrating on bottlenecks in system, e. g. delivery systems, transportation systems.

瓶颈分析：一种对系统(例如送货系统，运输系统等)中的瓶颈进行专门分析的方法。

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A new dynamic programming model is presented on the time(distance) for bottleneck transportation problem in this paper, and the critical bound which be induced by entropy can be calculated.

建立了关于时间（路程）的瓶颈运输问题的动态规划模型，并利用熵作为工具，解决了物品运输过程中所用时间长短的界问题，进而给出易于处理的瓶颈运输问题的动态规划模型。

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