The relation of stress time to parameter degradation is investigated under the condition of reverse bias of base-emitter junction.
在基极-发射极反向偏置的条件下，研究了应力作用时间与器件参数的退化关系。
By dealing with constraint condition and cell parameter, results of elements' stress and nodal displacement of the keel were obtained under gravity load condition.
对约束条件以及结构单元参数进行了分析，得到了龙骨结构在重力载荷作用下的应力和变形。
By dealing with constraint condition and cell parameter, results of elements' stress and nodal displacement of the keel were obtained under gravity load condition.
对约束条件以及结构单元参数进行了分析，得到了龙骨结构在重力载荷作用下的应力和变形。
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