查询词典 lens

The additional coupling loss is calculated, and the formulae of return loss of C-Lens collimator are given.

本文计算了C-Lens准直器的附加耦合损耗以及给出了准直器回波损耗的计算公式。

This method is proved feasible from a design example,it also shows that designed system is simple and compact and easy to fucus for zoom lens with large aperture.

标 签 变焦距物镜光学系统大口径成像质量 zoom lens optical system large aperture imaging quality

Transmission character during free space and transform of the Gaussian beam during transmiting C-Lens is analyzed. The numerical simulation intensity distribution of decentered Gaussion beam has been presented before and after coordinate transforming of Gaussian beam in focal plane of C-Lens.

本文首先分析了基模高斯光束的在自由空间中的传输特性，以及C-Lens对基模高斯光束的变换；给出了从光纤中出射的高斯光束经C-Lens变换后，出射光的光强分布以及对其进行坐标轴变换后的光强分布。

All lenses were classified using the lens opacities classification system Ⅲ based on four categories: nuclear color, nuclear opalescence, cortical cataract and posterior subcapsular cataract.

对89例（156眼）白内障患者测量眼轴长度，术前按照LOCS Ⅲ（the lens opacities classification system-Ⅲ）标准进行白内障分级。

AIM: To analyze the postoperative visual outcome, early complications and refractional deviation of secondary intraocular lens implantation for traumatic cataract caused by open-globe injury.

目的：分析开放性眼外伤二期人工晶状体（intraocular lens， IOL）植入术后的视力、早期并发症及屈光偏差。

Objective To assess the roles of the soft contact lens in the treatment of bullous keratopathy.

目的评价软性角膜接触镜(soft contact lens， SCL)在大泡性角膜病变治疗中的作用。

Compared with the widely used projection lens coma measurement method TAMIS, the accuracy of coma measurement is increased by 20%.

标 签 光学测量光刻机彗差套刻误差投影物镜 optical measurement lithographic tool coma overlay error projection lens

The rest of the desk area includes my grandfather's Kodak Duaflex II twin-lens camera and my father's old Japanese Petri rangefinder camera, an Eames DSW chair from Vitra, as well as a letterpress drawer and some old wooden 7Up crates that I found at the Pasadena Rose Bowl flea market in the early 90s.

桌子旁边放着我祖父的Kodak Duaflex II twin-lens 相机，还有我爸爸的一台旧日本相机 Petri 。其它的还有埃姆斯DSW 椅子，一台带抽屉的拷贝机和在 Pasadena Rose Bowl 的跳蚤市场上发现的九十年代的木制板条箱。

of designing an achromatic lens with F/#=1 and aperture D=5mm is developed and numerical simulation is performed.

利用这种特性，本文提出了一种变深度亚波长孔阵金属折衍混合透镜（DV- SHAM R/D lens），它是由DV- SHAM lens与折射透镜结合，能够消色差，实现宽波段成像。

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。

I use an example quoted by Hu Jiaqi:"It is reported that America separates the DNA of a kind of virus by making use of genetic technology and combines it with another kind of DNA. Finally, they get a kind of virulent biological agent called a "pyrotoxin". Someone discloses in private that 20 grams of such a kind of biological agent could result in the global death of 6 billion people due to infection."

我在这里例举胡家奇所引用过的例子："据报道，美国利用转基因技术，将一种病毒的DNA分离出来，与另外一种DNA进行结合，拼结成一种剧毒的"热毒素"生物战剂，且私下有人透露，这种生物战剂只需20克，就可以导致全球60亿人全部感染死亡。"

Waiting, for the queers and the coons and the Reds and the Jews.

等待着疯子和黑人还有红色共产主义者还有犹太人