城市轨道交通是一项建设和运营成本高、财务周期长的巨型工程。
URT is a big project with high building and operating cost and long financial period.
FMS的复杂性决定了其控制系统的研究开发是一项技术复杂、周期长、成本高的活动。
The development of the control system of FMS is project with a complex technology, long periodic and high cost because of its complexity.
FMS的复杂性决定了其控制系统的研究开发是一项技术复杂、周期长、成本高的活动。
The development of the control system of FMS is project with a complex technology, long periodic and high cost because of its complexity.
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