The invention relates to a solar water heater device, which comprises a thermoelectric conversion module, a heat collector, a heat exchanger, an optical focusing plate and a power supply system.
一种太阳能热水器装置，其包括热电转换模块、集热器、热交换器、光聚焦板及电源系统。
The optical writing object lens of the laser direct writing device must be focused in spots by a focusing-servo mechanism.
在激光直接写入设备中需要有高分辨力的调焦伺服机构对光刻物镜进行调焦伺服。
Studying the theory of optical pickup head unit (OPU) and how to pickup the signal on the disk. Based on these theories, it analyse the structure of the focusing and tracking device.
研究光学拾取头的基本原理和光盘信号拾取原理，简要分析了实际的光学头聚焦伺服和循迹伺服的机械结构。
The device comprises a semiconductor laser light source, an optical beam shaping system, an optical beam transmission system, an optical beam scanning system, an optical focusing system, and the like.
该装置包括半导体激光光源、光束整形系统、光束传输系统、光束扫描系统、光学聚焦系统等。
The application of auto-focusing method based on image processing for airborne electro-optical imaging device was studied.
对基于图像处理的自动调焦方法在机载光电成像设备中的应用进行了研究。
The application of auto-focusing method based on image processing for airborne electro-optical imaging device was studied.
对基于图像处理的自动调焦方法在机载光电成像设备中的应用进行了研究。
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