针对实验中由测试系统对应变敏感元件的压力所产生的电压不稳定性及时进行分析，并对常见的几种影响系统稳定性的因素做了介绍，重点对如何改善与提高系统稳定性的方法进行了分析。

This article analyzes a kind of improved elastic sensitive unit, which has the property of not being affected by the point of acting force and the property that the straingage can be easily fixed.

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