光像

Simulation result shows that a solar furnace using an 8m×8m non-imaging focusing heliostat with 289 mirrors coupled with a spherical concentrator with 0.7m aperture and 27cm focal length is capable of achieving flux concentration of 25,000 suns.

模拟结果显示，使用由289块子镜组成的8m×8m的非成像聚光定日镜的太阳炉，配合一个0.7m口径，焦距27cm的球面二次反射镜，可以达到25，000个太阳的聚光效果。

Methods: Add different power spherical lenses on 32 volunteers with normal binocular function to induce simple myopia(+1D,+2D,+3D),simple hypermetropia(-1D,-2D,-3D) and anisometropia.Assess the visual acuity,stereocontrast sensitivity and Worth 4 dots fusional function after inducing the anisometropia.

对双眼视功能正常的大学生志愿者32人采用在单眼前加不同度数正负球镜的方法，诱导单纯近视性(+1D，+2D，+3D)及单纯远视性(-1D，-2D，-3D)屈光参差，测定诱导屈光参差后的视力、立体视敏度及Worth四点融像功能。

For a moderate image illumination, the electronic shutter time of CCD camera was adjusted by external trigger and the aperture of iris diaphragm was adjusted by motor controlled by single-chip.

采用外触发方式实现CCD摄像机的电子快门时间调节，由单片机控制电机调节可变光阑的通光口径，以使像面照度适中。

Abstract］ objective to research the effect of synthesis curative for children amblyopia.methods 146 eyes of 82 children with age 4~14,did optometry after mydriasis by 1％ atropin, then did re-optometry and gave right glasses.

目的 探讨弱视综合训练治疗效果。方法 82例146眼4~14岁儿童，1％阿托品膏散瞳验光，经复验后配戴正确合适的眼镜，进行弱视综合训练（常规遮盖，精细视力训练，后像灯，cam视觉刺激仪，红光，多色光增色仪，光刷，视觉生理刺激，同视机，激光治疗仪）。

Each entire beam path static wavefront of technical integration experiment line was obtained by the wavefront measurement system in the target chamber. The result was transited to wavefront sensor in the main amplifier diagnostic package.

利用置于神光Ⅲ原型装置靶室波前测量系统，获得8束激光全光路静态像差，将测量结果分别过渡到各路主放参数诊断包内的波前传感器。

An object, which is located in the plane perpendicularly to the optical axis going through the main

一个垂直于光轴的物体通过主点H，在垂直于光轴的平面上形成一个放大一倍的像。

By applying the methods provided by the invention, the aberration sensitivity of a photoetching system can be reduced, which causes the graphs formed on the photoetching cellophane of a semiconductor substrate to obtain better critical dimension uniformity.

应用本发明所提供的方法可以减小光刻系统的像差敏感度，使形成于半导体衬底的光刻胶膜上的图形获得较佳的临界尺寸一致性。

A photolithographic mask is used in a photolithography imaging system for patterning a semiconductor wafer.

一种在光刻成像系统中应用的用于形成半导体晶片的图形的光刻掩模。

Its flowers havethe sunrise to blossom the habit which, the sunset shuts tightly,moreover grows by the phototropism way, therefore its colored languageis - the sunny weather, expands is: Frank, is lively.

它的花有一样伸向特性，日落它会紧紧闭合。还有它的成长依赖于光的趋向。因此，它的光彩语言是：大晴天，它开放就像是直面向光，生机勃勃。

Open Linear Encoder includes main grating scale and optical encoder head. This optical encoder head includes LED light source, optical detector module, and secondary phase-grating. LED light will pass through the plano-convex lens and produces parallel light. As the parallel light pass through secondary grating, the quadratic image display on the main grating scale. And the Moire interference will be reflected from the main grating scale and detected by optical detector module, as there is a relative shift between the main and secondary grating. From detecting the periodic sinusoidal signal with phase difference 90°, the period represents the grating pitch, using the counter to detect the number of periodic signals to get the displacement, and we can adapt the technology of electron subdivide further to increase the resolution of measurement .

反射式光学尺包括主光栅尺及光学读头，光学读头包含LED光源、光侦测器模组及相位式副光栅，LED光源经平凸透镜，产生平行光穿透副光栅后，副光栅之二次成像投射在反射主光栅尺上，当主、副光栅因相对运对产生之Moire干涉经主光栅尺反射至光电检测器，检出相位差90°之周期性弦波讯号，其周期代表栅距，因此可用计数器检出周期性讯号数目得到位移量，可进一步采用电子细分割技术提高解析度。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。