A maximum profit flows (MPF) problem is a network optimization problem aiming to get maximumtransport profit.
最大利润流是以运输利润最大为目标的网络优化问题。
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WITH A MAXIMUM speed of 430kph (267mph), the Shanghai magnetic-levitation (or maglev) train is as much fairground rideas vital cog in the city’s transport system.
最高时速430公里（267英里）的上海磁悬浮不仅是一条展示线，也是该市交通系统重要的组成部分。
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This ability provides maximum control to the user in selecting the proper transport for interactions.