Equation (12) in the original article [1] gives the strain from the measured voltage on a full bridge configuration of the four strain gages. The full-bridge is intended to measure tension-compression strain (type III full-bridge), the correct equation is therefore [2]

中文翻译：

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更正：估计来自 SHPB 的应力-应变曲线的测量不确定度

原始文章 [1] 中的方程 (12) 给出了在四个应变计的全桥配置上测得的电压的应变。全桥用于测量拉压应变（III 型全桥），因此正确的方程为 [2]