步进压力测试 (Step stress testing) 对样品逐渐增加压力级别，并按相等持续时间周期的测试。
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step stress accelerated life testing 步进应力加速寿命试验的
step-stress life-testing 截尾步加寿命试验
step-down-stress testing 步降应力试验
grouped step-down stress testing 分组步降试验
simple step-stress accelerated life testing 简单步进应力加速寿命试验
step-up-stress accelerated degradation testing 步进加速退化试验
This paper presents a method to solve reliability evaluation problem of electronic equipments with high reliability and long life using double crossed step-stress testing in Normal distribution.
首先针对高可靠、长寿命电子装备的可靠性评估问题，提出一种新的试验方法——双应力交叉步阶试验。
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