文中提出了一种生命线工程系统受灾程度的定量分析方法。
The method to analyze the disaster degree of lifeline systems is set up.
大跨越输电塔线体系作为高压电能输送的载体，是重要的生命线工程。
Long span transmission line system is the lifeline project as the electric powe's carrier.
桥梁是交通生命线系统中的重要枢纽工程。
Bridges are the most important structures in a highway system.
桥梁是交通生命线系统中的重要枢纽工程。
Bridges are the most important structures in a highway system.
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