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。
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.
有个简单的解决方案就是规划好每段路程，规划出哪段路程适合翻看手机，如果是步行上下班的常规路程，无论多忙都要注意这点以免走路分心走神。
An easy solution is to set observation goals for each trip. If it's a routine walking commute, make a game of noting the changes, no matter how subtle, on your commute.
那天晚上我一直在规划的步行路程。
那天晚上我一直在规划的步行路程。
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