This paper focuses on the study of three mathematical models when discussing regional transit departure plan optimization.

本文在探讨区域公交发车计划优化问题过程中，主要针对三个数学模型展开研究工作。

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If project context is new, such as the corridor between Washington D. C. and Dulles airport, then it is recommended that centers of commerce and entertainment be linked to regional transit systems.

如果情况有变，比如连接华盛顿和DULLES机场的走廊，就会建议商业中心娱乐设施与地区交通系统相连接。

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The system operator has three main functions : transfer (inter-regional and international transit), process control and balance of the electric power system.

系统操作器有三大主要功能：传送（地区间和国际中转）、程控和电力系统平衡。

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Justin Augustine is Chief Executive Officer of the Regional Transit Authority in New Orleans, which is currently engaged in the Loyola Avenue streetcar expansion.

WHITEHOUSE: Champions of Change Blog

The newspaper also reported that the New Orleans Regional Transit Authority planned to make 64 buses and 10 lift vans available in the event of an emergency.

CNN: Campaign reportedly urged self-reliance for poor

Whether we're investing in safety, road repair, or regional transit solutions, the team using those funds must be responsible and innovative to ensure we get the most bang for our buck.

WHITEHOUSE: Champions of Change Blog