为了跟上变化的印刷电路板技术，近些年来，在线测试设备已经增加很多功能。

To keep up with changing PCB technology, manufacturers of in-circuit testers have added features in recent years.

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介绍了一种新型的基于印刷电路板技术基础上制造的环形微型磁通门传感器的工作原理和结构。

The paper mainly discusses the working principle and structure of a new toroidal micro-magnetic fluxgate integrated inside printed circuit boards (PCB).

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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。

Plaster the electron strain gauge on PCB stress boundary to measure the strain cost with both strain electrical logging technology and theory.

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