传统印刷线路板的检测方法很大程度上依靠人工，这种落后的测试方法面临着严峻的挑战。
The traditional inspecting methods for PWB depend on manual work a lot, which are very underdeveloped and face austere challenge.
电子线路板的电镀，人工降雨、催化剂。
Electronic circuit board plating, artificial rainfall, the catalyst.
目前，架空电力线路的巡检工作基本上采用人工巡检方式。这种作业方式劳动强度大、危险性大并且效率低。
At present, overhead power line mainly is manually inspected by workers, which is dangerous, with high working intensity, and costs much.
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