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原制订者按语要把不同来源的相同类型的应变片进行比较,只有在相同条件下得出它们的特性参数,碰按统一的观点或概念作出判别才有可能。这就是 VDE/VDI(西德电工学会/西德工程师协会)的实验应力分析委员会着手拟订这份规程的动机和原因。根据本规程制定金属测量栅应变片各项特性参数的定义和测试方法,并用来说明测量的结果。
The original formulator should compare the same type of strain gages from different sources, and it is only possible to derive their characteristic parameters under the same conditions and to judge by a unified viewpoint or concept. This is why the Experimental Stress Analysis Committee of VDE / VDI (Society of Electrical Engineers / West German Society of Engineers) embarked on the process of drafting this code. According to this regulation, the definition and testing method of each characteristic parameter of metal gauging grid strain gauges are established and used to illustrate the measurement results.