mean failure gradient 平均破坏比值
Describes briefly the working principle of the gradient system in MR imager, analyzes the specific gradient failure and sums up the troubleshooting of the imager.
简要介绍了磁共振成像仪梯度系统的工作原理，并对特定的梯度故障进行了判断、分析和处理。
To fuzzy assess to defect (s) of pressure vessel, it is necessary that security area, that is structure by the currency failure assessment curve, is divided on gradient.
为了对压力容器的缺陷进行模糊评定，需要为通用失效评定曲线组成的安全评定区域进行梯度分区。
The scheme adapts to refine the meshes of special regions, such as interior points, around corner points, arcs and circles, which are usually failure regions of parts because of great stress gradient.
该法适用于区域内点、围绕边界的尖角点、边界或内部同心圆弧及同心圆四种特殊区域的网格改进，为实际工程结构应力梯度突变或变化较大处网格细化提供了十分方便的手段。
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