Strain transfer model considering the surface groove was established, and the expression of strain transfer equation and transfer coefficient was obtained by mechanics analysis.
建立了考虑表面凹槽时的应变传递模型，经过力学分析得出了应变传递方程及传递系数的表达式；
The results show that the encapsulated form of strain sensor linearity of 0.9997, the coupling transfer coefficient is 0.42.
试验结果表明，该封装形式的应变传感器的线性度为0.9997，耦合传递系数为0.42。
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