One is not checking the parameters coming in, even though you know at this point that a parameter in a certain state will cause an exception in your method.
第一，没有检查输入的参数，即使知道处于某些状态的参数会造成方法出现异常。
The first-order second-moment method is fundamental in structural reliability analysis, its accuracy depends upon the nonlinear extent of performance functions around checking point.
一次二阶矩方法是结构可靠度分析的基本方法．一次二阶矩方法的计算精度依赖于验算点附近功能函数的非线性程度。
Based on the theory of bridge crossing scour, the reliability calculation model is established with checking point method, and the model is tested by the sample bridge crossing.
本文根据桥渡冲刷理论，应用结构可靠度计算方法中的验算点法，建立了桥渡冲刷可靠度计算的数学模型，并给出了具体算例。
The method overcomes the defects of the current methods and can be used to find the structural reliability index and the design checking point.
该方法克服了传统方法的缺陷，可算出可靠度指标及设计验算点。
Based on the ping-pong type field grounding protection, it presents one-point-to-ground protection scheme by integrating the self-checking method of switches.
针对乒乓式励磁回路接地保护，结合开关自检方法提出了完整的一点接地保护方案；
Based on the ping-pong type field grounding protection, it presents one-point-to-ground protection scheme by integrating the self-checking method of switches.
针对乒乓式励磁回路接地保护，结合开关自检方法提出了完整的一点接地保护方案；
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