The device comprises a CCD camera, an image collecting card, a control circuit, a fixing device and a computer.
包括CCD摄像机、图像采集卡、控制电路、固定装置和计算机。
The detector design consists of design and select of optic parts of an apparatus, circuit design, sampling area control and antipollution device design.
探测器的设计有：光学器件的设计和选取、电路的设计、采样区大小控制装置和防污染装置的设计。
Gain control circuit, receiver and transmitter, radio communication device and system.
增益控制电路，接收器和发送器，无线通信装置和系统。
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