Using both types of devices, it becomes very easy to design a printed circuit board .

使用这两种类型的设备，它变得非常容易设计印刷电路板。

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Automatic optical inspection is a technique for fault detection and location of printed circuit board using digital image processing algorithms.

自动光学检查是利用图像处理算法进行电路板故障检测与定位的技术。

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Based on the avalanche effect, a kind of kilo-volt nanosecond pulsers has been designed, by using microwave PCB (printed circuit board).

基于雪崩三极管雪崩效应，研制出了一种数千伏、纳秒级脉冲源。

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