查询词典 immersion lens

Study of the 3-D focusing performances near focus for the compound X-ray lens .

X射线组合透镜近焦点处的三维聚焦性能研究。

A compound camera lens with a relatively high aperture .

带有相对高孔径的照相机复合镜头。

A combination of two or more such pieces, sometimes with other optical devices such as prisms, used to form an image for viewing or photographing.Also called compound lens

镜头：由两片或更多的透镜组成的联合体，有些还要加上其它的光学仪器，如棱镜，用来成像以便观看或摄影也作 compound lens

In the second chapter, during the study of compound x-ray refractive lenses, diffraction function of compound lens is derived in the light of refraction and absorption effect and the design theory of X-ray is deduced using diffraction theory in connection with the characteristic of X-ray band.

在第二章X射线聚焦组合透镜的研究中，针对X射线波段的特性，综合考虑折射和吸收效应得出组合透镜的衍射屏函数，利用衍射理论推导出X射线聚焦组合透镜的设计理论并进行结构设计与微细加工制作技术研究。

We firstly studied the material feature in X-ray band. Base on this, we defined the diffractive screen function. Subsequently, by using diffraction theory, it studied the focus performance and transmission efficiency of X-ray compound lens.

1理论研究。首先研究了X射线波段的材料特性，并据此得出了物面的衍射屏函数，然后利用衍射理论研究了X射线组合透镜的聚焦性能和透射效率。

A compound structure—Double Half-cylindrical Lens is proposed firstly by the author.

双半圆柱透镜是作者首次提出的一种复合结构柱透镜，它突破了普通圆柱透镜在最佳准直时对透镜材料折射率必须小于2的限制，在透镜材料大于2甚至更高的条件下，其准直能力大大提高，准直效果在理论上可达0.1mrad。

Digital video camera with a compound lens.

装有高敏感动作感应摄影机

The theoretical and numerical study of such a device is reported, including the derivations of the diffractive screen function of the compound lens and the equations of the intensity distribution in the focus plane by considering both refraction and absorption effect and diffraction theory.

针对 X射线波段的特性，综合考虑折射和吸收效应得出组合透镜的衍射屏函数，并利用衍射理论推导出 X射线组合透镜的设计理论。

The cross cylinderis a compound lens having a net minus power in one principal meridian and an equal net plus power in the other.

12交叉圆柱透镜(Jackson 交叉柱镜)是一组复合式镜片，一条主子午线上有单纯负圆柱透镜焦度，在另一主子午线上有一相等的单纯正圆柱透镜焦度

Some conventional optical antennas like hemispherical lens, compound parabolic concentrator, Cassegrain telescope were analyzed with the software of ZEMAX.

针对非视线大气光通信的需求，利用ZEMAX软件对半球透镜、复合抛物面聚光器和卡塞格伦望远镜等光学天线进行了性能分析。

We got alerted a couple of times while we were down south that HETs were on the way to bring us back up north because things were going to go hot again, but it was just rumors.

南下的途中我们不只一次得到警告说重型装备运输车将拉着我们重新北上，因为局势正在变得重新紧张起来，但这只是谣传。

It's the one where they find the ghost in the salt mine.

这一集是演他们在盐矿找到鬼