客流预测是轨道交通建设项目决策的重要依据。
Passenger volume forecast is an important foundation for launching mass railway transit construction projects.
企业在建设项目决策时就应该按照清洁生产的原则，从源头控制污染。
Cleaner production emphasizes pollution prevention as a whole , so plant should control pollution from source in construction project, according to cleaner production principle.
社会经济效益评价是铁路干线路网规划及建设项目决策的重要前提和依据。
Socioeconomic benefit evaluation is the main precondition and foundation in railway project planning and decision.
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