查询词典 Lens

RESULTS:Among the 116 eyes, 94 eyes presented identical optometric results or less than 0.50D difference while 22 eyes had more than 0.75D difference after the instillation of the two agents, with 81.0% in agreement with the degree of spherical lens, with 92.2% in agreement with the compound hyperopia cylinder lens, with 84.6% in agreement with the axis of astigmatism.

结果：远视球镜度数116眼两次验光结果相同或相差≤0.50D者94眼，相差0.75D以上22眼，远视球镜度数符合率为81.0％，52眼复性远视柱镜度数符合率为92.2％，散光轴向符合率为84.6％，28眼远视年龄在8～12岁者，两次验光结果验光度数相同和相差≤0.50D，散光轴向≤5°者7眼，符合率25.0%，88眼年龄在12～16岁，符合率97.7％，≥0.75D者两例均合并有内斜视，本组两种不同散瞳剂散瞳验光结果对比远视球镜或复性远视柱镜度数相差0.75D以上者均为美多丽散瞳年龄≤12岁者或有斜视者，低于阿托品散瞳验光度数。

To use this method,hold the lens up with a fluorescent ceiling light in the background and view the lens surface.

要使用这个方法，停透镜与一个萤光云？？在背景中并且观看透镜表面。

The achromatic characteristics of holographic lens and refractive lens are studied preliminarily.

对全息光学元件和折射学光学元件互消色差进行特性了初步探讨。

Achromatic lens: A lens which refracts light of most colours equally, i.e.

消色差透镜：能够把大多数色光作等量折射的透镜。

A tube containing a convex ''.'achromatic'.'' lens at one end and a slit at the other with the slit at the focus of the lens;''.

一端包含一个凸起的消色差透镜另一端在镜头的中心有一个小切口的小管；''。

To avoid the shortcoming of magnification change with wavelength, which will cause the spectral image pixel registration error and provide inaccurate relative spectral signal strength in the classical diffractive optic imaging spectrometer, a novel hybrid refraction/diffraction telecentric optical system combining a diffractive lens with an achromatic lens system is presented, and the working principle is then established.

为了克服在传统衍射光学成像光谱仪中，衍射透镜的焦距随波长变化引起系统放大率随波长变化，从而导致光谱图像的像元配准误差，得到并不精确的相对光谱信号强度，提出了将衍射透镜与消色差透镜系统相结合的新型折/衍混合、二组元复合远心成像光学系统的技术方案，具体分析推导了该系统的成像理论。

A tube containing a convex achromatic lens at one end and a ''.'slit'.'' at the other with the ''.'slit'.'' at the focus of the lens; light rays leave the ''.'slit'.'' as a ''.

一端包含一个凸起的消色差透镜另一端在镜头的中心有一个小切口的小管；光线通过小切口成为''。

However, Fresnel lens is not a perfect lens and can induce several artifacts for the projected image.

但是，Fresnel lens毕竞不是理想的透镜，因而会造成投影影像的缺陷，这些缺陷被称为鬼影。

In order to control the warpage of Fresnel lens in micro-injection molding process, the model of non-linear relationship between the injection process parameters and the maximal warpage of Fresnel lens was established through the support vector machine.

为了控制菲涅尔透镜在注塑过程中的翘曲变形量，采用支持向量机算法建立了菲涅尔透镜的翘曲预测模型，并对该模型的预测精度进行了研究。

Annual output of titanium frames monel alloy frames, ordinary metal frames 350,000 to pay, CR-39 resin lens more than 300 10,000 2006 Sales 1000ò, the goal this year is expected to complete the sale of 15 million yuan, the company is currently have been formed a series of frames, resin lens series, special custom-made lenses, spectacles parts, plating, optical detection, such as one-stop production and service system.

年产纯钛眼镜架、蒙乃尔合金眼镜架、普通金属眼镜架35万付，CR-39树脂镜片300多万片，2006年完成销售1000万元，今年预计目标完成销售1500万元，公司目前巳形成了眼镜架系列、树脂镜片系列、特殊镜片定做、眼镜零部件、电镀、眼镜检测等一条龙生产和服务体系。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切