By contacting with PCB, electrical testers, such as in-circuit tester, not only can test most of manufacturing defects and faults, but also can test PCB assemblers' electrical performance.
以电气接触为手段、以在线测试仪为代表的电气测试仪除了能够测试制造过程的缺陷和故障以外，还能够测试pcb的某些电气性能，因而得到了广泛的应用。
On a typical modern digital PCB assembly, for example, the parts are all squat rectangular components, and the traces are laid out with a precision only a computer could love.
例如，在一块标准的数字印刷电路板上，所有的器件都是有棱有角的，布线的精度也只有计算机才可以完成。
By contacting with PCB, in-circuit testing technology, not only can test most of manufacturing defects and faults, but also can test PCB assemblers' electrical performance.
以电气接触为手段，在线测试设备除了能够测试制造过程的缺陷和故障以外，还能够测试pcb的某些电气性能，因而得到了广泛应用。
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