This multi-objective, gray relevant optimized decision-making model of engineering system shall be preferable to the information of schemes as the author holds.

• 并针对目前大多数多目标综合评价方法不适用于解决地铁路网规划和设计方案评选问题，提出了一种顾及方案偏好信息的多方案多目标灰色关联度决策模型。