The concept of the structural performance safety index is put forward and its calculation method is derived based on the structural deformation limit state equation.
提出了结构性能安全指数的概念，并以结构的变形极限状态方程为基础得到了结构设计性能安全指数的计算方法和结构性能等级的划分标准。
The paper firstly devotes to the structural performance levels and the safety index of the designed performance.
论文首先对结构抗震性能等级和设计性能安全指数进行了研究。
Disc brakes have become an important guarantee of the vehicle safety device, its quality and brake performance is an important index of the manufacturer concerned.
盘式制动器已经成为了车辆安全的重要保障装置，其质量和制动性能是生产厂家关注的重要指标。
An important index for safety running of electric bicycle is brake performance. The traditional testing technique costs time and vigor. Manpower and environment factors both affect it enormously.
制动性能是关系到电动自行车行驶安全的一项重要指标，传统的路检方法费时费力，受人为和环境因素的影响大。
An important index for safety running of electric bicycle is brake performance. The traditional testing technique costs time and vigor. Manpower and environment factors both affect it enormously.
制动性能是关系到电动自行车行驶安全的一项重要指标，传统的路检方法费时费力，受人为和环境因素的影响大。
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