查询词典 Lens

The patients underwent micro-trauma technique suture,optical iridectomy,extraction of anterior segment foreign bodies,nepheloid lens removal,and artificial lens implantation.

患者于局麻下进行急诊手术，分别行伤口显微缝合、虹膜复位瞳孔成形术、眼前段异物取出、浑浊晶状体摘出及人工晶状体植入术。

Comes with a convenient lens cap lanyard to prevent you from losing the lens cap.

带有一个方便的镜头盖挂绳，以防止你失去了镜头盖。

Firstly,to abtain the parameters of coupling system,such as the focal length and the position of the lens,computing the Gaussian lens formula,then establishing the rectangular coordinate system and constructing equation and tracing the marginal ray to compute the parameter of the radius of the image beam waist.

首先使用高斯光束的透镜变换公式计算透镜的焦距及放置位置等耦合系统的参数，然后建立直角坐标系并利用耦合系统的参数构建方程，对边缘光线追迹，计算出像方束腰半径值。

A skew of an optical pickup device can be adjusted by a movable-side member itself which holds thereon an objective lens, A holder which holds an objective lens is supported by four spring wires such that it can be moved in the focusing direction and the tracking direction of an optical disk.

光学摄像管设备的偏移可通过一其上固定有一物镜的可移动侧部元件自身来调节。一固定一物镜的固定件由四个弹簧钢丝支承，因而它能在光盘的聚焦方向和跟踪方向移动。

The lens hood is used to cover up the lens.

遮光罩是用来遮盖镜头的。

To prevent direct sunlight from entering the lens, attaching a lens hood is effective.

阻止直射阳光的进入，最有效的办法就是外接一个遮光罩。

The huge front element is impressive; you can protect it with the large lens hood, that Canon kindly includes in the $1950 price of this lens

巨大的正面因素是令人印象深刻，你可以保护罩它与大型镜头，佳能镜头，包括请在此价格的一九五〇美元

When photographing with the sun in front of you, do not assume that the lens hood will prevent direct sunlight falling onto the front element of the lens.

当与太阳在你面前拍照，不要以为镜头遮光罩可以防止阳光直射到镜头的前端元素下降。

Center pinch design, convenient for take the lens cap when using lens hood.

采用高质素物料制造，另附镜头盖绳，中心按掣设计，方便於使用遮光罩时取出及装上。

Our leading products cover %26ndash; remote release, infrared remote control, wireless controller, lens hood, flash diffuser, camera neck strap/hand strap/carrying case/lens pouch, flash gun accessories, eye cups etc, which cover multiple types with high quality and good design.

我司主要经营的产品有：电子快门线、红外遥控器、无线电遥控器、遮光罩、柔光罩、相机背带、手腕带、相机包、镜头包、闪光灯配件、目镜等，品种多，质量优，外型美观轻巧。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。