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The above-described configuration of the zoom lens system allows appropriate setting of the imaging magnification of the fourth lens unit and the focal lengths of the third and fourth lens units.

变焦镜头系统的上述结构允许适当设定第四透镜单元的图像放大率以及第三和第四透镜单元的焦距。

Most people will not be affected by this omission, though a 1.6:1 lens does open up the possibility of using the lens's zoom to display 2.35:1 movies in large format without the use of an anamorphic lens.

大多数人将不会受到这种忽略，虽然是1.6：1镜头并开放使用该镜头的放大显示在大尺寸而不需使用2.35：1变形镜头的电影的可能性。

When you pull out the lens, turn clockwise to lock it, when you want to push it back, always remember to turn the advance film knob first and after that press the button and turn the lens anticlockwise to keep it back and also to remember to pull out the lens when you want to rewind the film.

当你把镜头拉出来时，记得要顺时针转，当你要把镜头收回时，千万要记得过片先，然后按回收镜头键，在逆时针转，在收回去。还有，当回片时，千万计的要把镜头拉出来。

The left lens of Anuran Tadpole - Bufo Raddei Strauch Tadpole and Xenopus laevis Tadpole were removed when they had posterior limb bud. By decapitating and fixing it with Carnoy's fixation fluid in different days, by means of paraffin serial section and Hematoxylin-Eosin stain and by using the microscope to observe the microstructure of lens regeneration of Bufo Raddei Strauch Tadpole and Xenopus laevis Tadpole. By extirpating the left eye and fixing it with aldehyde and osmium acid , by using electron microscope to observe the ultrastructure of lens regeneration of Bufo Raddei Strauch Tadpole and Xenopus laevis Tadpole.

以无尾两栖类—以花背蟾蜍与非洲爪蟾后肢芽期蝌蚪为实验材料，摘除其左眼晶状体，在再生不同时期固定，石蜡连续切片，苏木精-伊红对染，光镜观察，研究晶状体再生的组织来源；另外，选再生不同时期材料用戊二醛，锇酸固定，透射电镜观察，以研究晶状体再生组织的超微结构变化。

Apochromat is achromatic lens than the average have better color correction capabilities of the lens or other lens.

复消色差透镜是比一般的消色差透镜有着更好的颜色矫正能力的镜头或其他的透镜。

All 12 lenses feature ARRI's Lens Data System, which displays real-time lens status and depth of field information either on the video assist or on a dedicated Lens Data Display.

所有12个镜头功能阿莱的镜头数据系统，该系统显示的实时状况和镜头景深的信息无论是在视频协助或专用镜头数据显示。

We supply in various kinds of mineral lens, CR-39 lens, middle index and hi-index hard resin lens single vision, bifocal or progressive, in traditional spherical or new spherical design.

我们供应各种矿物晶体，铬- 39镜头，中间指数及高科技指数硬树脂镜片的单一视野，双部位或进步，在传统的球面或新的非球面设计。

First,the planar waveguide models for Rotman lens and its feed lines which incorporate the dispersion effect with frequencies are set up.Then the aperture electric fields at lens ports are expanded by appropriate waveguide mode functions and substituted into the contour integral equation.The multimode scattering matrix of the lens can be acquired by solving the contour integral equation by using Galerkin method.

首先建立了考虑色散效应的透镜的等效平板波导模型，然后选择适当的波导模式函数展开透镜端口上的场，并利用Galerkin法求解其边缘上电场满足的轮廓积分方程即可得到透镜的多模式散射参数。

A beam throgh convex lens will be converged, so the lens is also called a converging or positive lens.

凸透镜具有会聚光线的作用，所以也叫"会聚透镜"或"正透镜"。

The lens has a section in a plane normal to a longitudinal axis of the lens, in which a surface of the lens facing the light source has a curved line that expands or is convexly facing toward the light source.

所述透镜在与透镜的纵向方向垂直的平面上具有截面，在该截面中，透镜的面向线光源的表面具有朝向光源扩张的曲线。

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