聚焦装置

The invention relates to an objective lens for converging light emitted by a light source to irradiate an optical recording medium with the convergent light, an actuator having the same, an optical head for recording information on the optical recording medium and reproducing information recorded on the same, and an information recording/reproducing apparatus utilizing the same.

本发明涉及将从光源射出的光会聚并将聚焦光照射到光学记录介质上的物镜和配备有该物镜的致动器、以及将信息记录在光学记录介质上或对所记录的信息进行再生的光学头和使用该光学头的光学记录再生装置。

Moreover the cyclic redundancy check algorithm is used for the data protection.

最后，给出了高强度聚焦超声手术治疗时所需的控制参数，和数据调用的实现方法，以及用于数据保护的循环冗余校验算法；随后介绍了16阵元相控阵换能器的声场实验装置和实验结果，并与理论仿真结果进行比较分析，验证了前文提出的超声声场计算综合方法的正确性和可行性。

6"Ball cover, Features beauty,refinement; The precise step enters the electrical engineering to drive, go placidity,go to nicety;shift aptitude, Horizontal speed 0.5°/s---240°/s ,Vertical speed 0.5°/s---200°/s;Vertical running have function to "Auto-flip, 360°continous horizontal flip;Dome speedauto-shift--- The speed of housing become the zoom lens depth to increase its speed pro rata lower gradually, a little bit on guard function; Auto-focus,auto-iris,Tum to surge and lightning strike protector;Menu setup and control function,estate memory before break off electricity and auto-resume

6英寸球罩，外型美观、精巧；精密步进电机驱动，运转平稳，定位准确；智能变速，0.5°/S－240°/S水平变速，0.5°/S-200°/S垂直变速；垂直转动有"自动翻转"功能， 360度持续水平转动；云台速度自动调整—云台的速度随变焦镜头深度的增加其速度按比例逐渐降低，守望点功能；自动聚焦，自动光圈，内置浪涌及雷击保护装置；菜单设置及控制功能，断电前状态记忆及来电自动恢复功能；64个预置点

6"Ball cover, Features beauty,refinement; The precise step enters the electrical engineering to drive, go placidity,go to nicety;shift aptitude, Horizontal speed 0.5°/s---240°/s ,Vertical speed 0.5°/s---200°/s;Vertical running have function to "Auto-flip, 360°continous horizontal flip;Dome speed auto-shift--- The speed of housing become the zoom lens depth to increase its speed pro rata lower gradually, a little bit on guard function; Auto-focus,auto-iris,Tum to surge and lightning strike protector;Menu setup and control function,estate memory before break off electricity and auto-resume fuction in come to electricity; 64initialize spots,5 auto-patrol path;Contain multi-confer;485standard communcation interface;Function to give an alarm to linkage.

6英寸球罩，外型美观，精巧；精密步进电机驱动，运转平稳，定位准确；智能变速，0.5°/S-240°/S水平变速，0.5°/S-200°/S垂直变速；垂直转动有"自动翻转"功能， 360度持续水平转动；云台速度自动调整—云台的速度随变焦镜头深度的增加其速度按比例逐渐降低，守望点功能；自动聚焦，自动光圈，内置浪涌及雷击保护装置；菜单设置及控制功能，断电前状态记忆及来电自动恢复功能；64个预置点， 5条自动巡视路径；兼容多种协议；标准485通讯接口；报警联动功能。具有球机环境温度和摄像机角度数显功能。

Beamline is an important part of synchrotron radiation facilities. It is mainly composed of monochromator, collimating mirror, focusing mirror.

光束线是同步辐射装置的重要组成部分，主要由单色仪、准直镜和聚焦镜组成。

Dec. 2, 2004 — Magnetic resonance imaging-guided focused ultrasound is effective for treatment of uterine leiomyomata, according to early results of a study published in the December issue of the American Journal of Roentgenology. The ExAblate 2000 device used in this study was recently approved by the U.S. Food and Drug Administration.

Dec。 2， 2004 -一项发表於12月号美国放射学期刊上的试验早期结果显示，核磁共振造影导引的聚焦超音波对於治疗子宫平滑肌瘤是项有效的治疗选择；这项试验中所使用的ExAblate 2000装置最近已经获得美国食品药物管理局的核准上市。

In my display , I focalize the light cast by the equipment on the sentence in the most representative page of the Bible and project it onto a wall .

我的装置作品聚焦圣经中最具有代表性的一页中的一句话，投射到一面墙上。

To reduce the marking distortion , using the vertical 2 - dimension galvanometer distributing and f field lens focalize , the distance of the second galvanometer to the machining plane is the focus f . to avoid too hign temperature to distroy the resonance cavity because of too long marking time , cooling system and self - protector is used in the design

为减少打标畸变，采用垂直二维振镜分布， f物镜聚焦，将激光束经第二个振镜反射后到加工平面的距离为焦距f ，为了避免打标时间过长，温度过高破坏谐振腔，在设计中加上冷却系统和自我保护装置。

The reflectance microspectra in the 600 to 700 nm region is measured by a visible microspetromater based on fiber confocal microscope. The microspectroscopy of the normal and cancerous gastric tissues is measured.

基于光纤共聚焦显微系统，建立了可见光显微光谱实验装置，测量了离体正常和癌变胃组织的显微光谱，给出了样品在600~700 nm波长范围内的显微光谱分布情况，实验结果表明可见光显微光谱技术简单、有效，可用于胃癌的早期检测。

The Practical and New patent is to strack automatically the movement of the sun by a small sync unit using a mirror paraboloid and focus the sunsine on the surface of vacuum heat absorbing pipe, so as to heat the water in a single vacuum heat absorbing pipe with several times of energy,so that the water temperature rises till boils with heat exchange.

家用同步跟踪太阳能开水器是利用镜面抛物面在小型同步装置作用下自动跟踪太阳运动，以7倍于阳光直射的能量将阳光聚焦到真空吸热管的表面，对单根玻璃真空吸热管中的水进行加热，通过对流热交换，使容器中水温上升直至沸腾的太阳能开水器。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。