Plaster the electron strain gauge on PCB stress boundary to measure the strain cost with both strain electrical logging technology and theory.
在印刷电路板受力边界粘贴电子应变片以应变电测技术和原理测定各测点的应变值。
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Based on the Neoinstitutional Theory. This article analysis the transactions cost, and try to explore the relation contract cost and the boundary of the contract.