The reliability index was applied on basis of the analysis on the failure mode. And according to the sampling theory of reliability a reliability test method was put forward.
在失效模式基础上提出剩余电流动作保护器的可靠性指标，并根据可靠性抽样理论提出其可靠性验证试验方法。
The SNR of the parallel-collected images is relevant to the geometric shape and the position of the coil and is influenced by the reconstruction method and the sampling mode.
并行采集图像的SNR，不仅与线圈的几何形态和位置有关，还受重建方法及采样模式的影响。
Methods Used convenient sampling method and self -mode questionnaires to analysis the elderly people's fall condition and the cognition of fall.
方法采用方便取样的方法，以自编的调查表调查住院老人对跌倒的认知状况及跌倒者跌倒时的情况。
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