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For example: Good can the company use its optics lens image formation technology and the micro processing technology aspect core competitive power, entered the duplicator, the laser printer, the photographic camera, the scanner as well as the facsimile machine successfully and so on more than 20 product domains; This field company's core specialty is the engine design and the manufacture, this has supported the compact car, the motorcycle, the grass cutter and the formula car manufacture.

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Optical density d of the material or the density of photographic film itself d field part of density d the density of the deep and change some of the most high density (h-red, green, or blue channels in maximum density) L intermediate density density (red, green, or blue channels in minimum density) M minimum density (red, green, or blue channels in the middle of the density) T transmission 4.2Murray-Davies formula in the measurement of surface films, film dot business card printing and membership card making dot area usually is the most important parameters.

光學(xué)密度 D 材料或片基本身的密度 D 實(shí)地部分的密度 D 深淺變化部分的密度 H 最高密度（紅鸥美色精品在线播放，綠或藍(lán)通道的最大密度） L 中間密度密度（紅，綠或藍(lán)通道的最小密度） M 最低密度（紅未满黄色网站，綠或藍(lán)通道的中間密度） T 透射率 4.2Murray-Davies公式在測量膠片的表面網(wǎng)點(diǎn)面積時(shí)国产对白自拍小视频免费观看，膠片制卡和會(huì)員卡制作網(wǎng)點(diǎn)面積通常是最重要的參數(shù)国产一级AA片有黄有粗毛片。

A 3 D dynamic displacement field is studied and tested by use of two sets of rotation aperture spackle photographic system .

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Photographic method was adopted to study the characteristics of alcohol vaporization and its diffusion flame under the effect of DC field in this paper,using the small-calibre transparent quartz glass tube as a burner.

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Except the opticator, the telescope other main part is installs in the host mirror focal-plane eight scientific instruments, respectively is: Wide field of view and planet photographic camera, dark weak heavenly body photographic camera, dark weak astrospectrograph, high resolution spectograph, high speed luxmeter and three precise guidance remote sensing.

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