This paper presents a special infrared optoelectronic instrument for measuring the hot-rolled plate width, which USES the high accuracy linear CCD as the measuring detector.

分析了利用炽热钢板自身发光进行光学成像，采用高精度的线阵CCD作为测量传感器，对热轧中板宽度进行智能测量的专用红外光电仪表。

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A real-time laser particulate detector which is well suited for measuring the concentration of particles in FCC gas streams was developed by using aser and near-forword light-scatter technique.

介绍了利用激光及正前向光散射技术研制的一种激光粒子浓度监测仪，它适用于催化裂化装置烟气粉尘浓度的实时监测。

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A current measuring device comprising a current detector (10) and a photoelectric converter (20).

一种电流测量装置包括电流检测器(10)和光电转换器(20)。

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The camera works, the team explained, by bouncing lasers off distant objects, and measuring the time it takes for the light to travel back to the detector.

BBC: Long-distance 3D laser camera unveiled by Edinburgh team

By tuning the quantum cascade laser and measuring how much of the infra-red radiation is absorbed on its way to a detector, hazardous gases in between can be identified.

ECONOMIST: Lasers