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During that time, Germany莱兹, Carolina, Zeiss and other companies to develop and produce a small volume, such as aluminum alloy body and two-lens single-lens reflex camera.

这段时间内，德国的莱兹、罗莱、蔡司等公司研制生产出了小体积、铝合金机身等双镜头及单镜头反光照相机。

Four Thirds System-compliant, Lens interchangeable type digital single lens reflex camera

4/3系统，可更换镜头的单镜头反光照相机

Is this safety lens or glass lens

这是安全镜片还是玻璃镜片？

The sand lens reservoir trap has a good structure and reservoir properties for the storage. The sand lens reservoirs with depletion of oil and gas are better CO2 geological storage boxes.

砂岩透镜体油气藏具有良好的圈闭构造和储层物性，油气濒临枯竭的砂岩透镜体是较理想的CO2地质封存箱。

Fish eye lens is a kind of reversed telephoto lens having big relative aperture, large view angle and long back working length. Its view angle can reach 180 degree or even more so it can image object covering semisphere or larger than semisphere to limited plane.

鱼眼镜头是一种具有大相对孔径、大视场角和较长的后工作距离的反摄远镜头，它的视场角可以达到甚至超过180°，因此它能够将半球空域甚至超半球空域的物体成象在有限的象平面上。

Moreover, the lens returns to its base position after every shutter release, so that the lens refocus from the beginning.

还有，它的镜头在每次快门释放后都要回到初始位置，下一次对焦又得从开始重来。

Knockout mice were screened for lens abnormality with slit lamp biomicroscopy. microstructure of lens was analyzed by scanning and transmission electron microscopy.

用裂隙灯显微镜观察小鼠晶状体的病变；透射和扫描电镜观察晶状体的超微结构；观察该基因敲除后晶状体形态和功能改变。

Important soft lens material attributes which affect lens fitting include : modulus of elasticity , manufacturing method , and water content.

2软镜材料影响镜片验配的重要因素为：弹性模量、制造工艺的含水量。

PURPOSE: To assess the relative risks of acute, nonulcerative complications with recently introduced contact lens wear modalities (compared with the previously most common soft lens wear schedule), and to identify any other associated factors.

目的：为了评估近期推出的接触镜的急性、非溃疡性并发症的相对风险（与以前配戴最常用的软性镜头相比），并确定任何其他的相关因素。

Do not scrub the telescope lens with some hard objective. Please use the attached soft cloth to clean the lens.

切勿用硬物摩擦物镜及目镜的镜片，如有需要可以用配件中的擦布轻轻擦拭镜片。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了