A three-lens polarizing CCD camera is presented in brief.

简要介绍了三镜头偏振CCD相机。

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The telescope replaces the eye's nature lens and can provide an image that is magnified by almost three times.

这种望远镜取代眼睛的瞳孔，提供可放大三倍的图象。

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It was taken by James Clerk Maxwell by photographing the ribbon three times - each time with a different color filter over the lens.

它是由詹姆斯·克拉克·麦克斯韦通过三次拍摄同一缎带得到的-每次在镜头上用不同的彩色滤光片。

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With three glass lens elements in three groups, it can be used as a wide-angle lens equivalent with a single focal length of 30mm (35mm camera equivalent).

ENGADGET: Olympus E-PL5 and E-PM2: Micro Four Thirds cameras with OM-D-like focusing, performance boosts (hands-on)

The three D-ILA devices in each HDTV are combined with a new mirror and lens that has allowed JVC to reduce the projection distance needed and slim down the sets considerably.

ENGADGET: JVC's new 1080p projectors, front & rear HD

With professional talent as a lens to evaluate the mobility of personal income, I raise three all-star questions.

FORBES: On NBA All-Star Weekend, 3 Tax Questions For and About Its Multi-Millionaire Stars