UV unit: High speed low pressure UV emitter; UV sensor with alarm.

紫外线单元：高速低压紫外线放射器；带报警系统的紫外线传感器。

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It is a trend in the world now that use state maintain method to maintain jet plane's engine by taking advantage of UV sensor, UV CCD camera and advanced signal processing methods.

通过先进的紫外探测器和紫外c CD摄像机，以及先进的信号处理方法，采用状态维修方式来维护飞机是当前的大趋势。

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