自由变焦眼镜，是由可变焦镜片和调焦装置构成。
Disclosed is freely varifocal glasses, which comprises zoom lenses and a focusing device.
视觉测量系统，可变焦数字照相测量系统等图像测量方法。
Vision measurement system, but image measuring techniques and so on focal variation numeral photography measurement system.
每一个镜片包含一片校正过距离的外镜和一片可变焦的内镜。
Each lens consists of an outer lens with a corrective distance prescription, and a flexible inner lens.
该系统可以通过可变焦工业摄像头采集清晰的塔机吊钩和重物图像，供塔机驾驶员观察；
This system provides high-quality images captured from industrial camera to both on-site operators through a monitor and managers through wireless GPRS network.
最大的唯一因素影响流明输出在这台放映机是没有灯力量方式，而是宁可变焦镜头的位置。
The biggest single factor influencing lumen output on this projector is not the lamp power mode, but rather the position of the zoom lens.
论文采用手持摄像机的形式来模拟装载在智能车辆上的可变焦距的摄像机，对采集到的视频图像进行处理。
In the experiments, used hand-held video camera to replace the video camera equipped on the moving vehicle to process the images.
尽管我们有怀疑过那个可变焦镜头放在口袋里的时候的安全性，可是毫无疑问的是三洋在这款产品的成本投入上有所增加。
Although we have our concerns as to the safety of that zoom in our pockets, there's no doubt that Sanyo has upped the ante for this type of device.
本文介绍一种以液晶空间光调制器作为调制位相信息的衍射元件，获得可变焦长的菲涅耳透镜，以及该元件在光学成像系统中的应用。
A kind of diffraction element modulating phase information by LC space light modulator to get a zoom Fresnel lens, as well as the using of said element to optical imaging system, is introduced.
本文介绍一种以液晶空间光调制器作为调制位相信息的衍射元件，获得可变焦长的菲涅耳透镜，以及该元件在光学成像系统中的应用。
A kind of diffraction element modulating phase information by LC space light modulator to get a zoom Fresnel lens, as well as the using of said element to optical imaging system, is introduced.
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