These loads are normally applied by hydraulic jacks acting directly at the point of application of the force.
通常这些荷载是用液压千斤顶直接施加于力的作用。
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.
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。
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