查询词典 optical scanner

It is a particular advantage of the invention that an improved optical read-out may be obtained if the optical disk has one or more parameters outside the specifications and/or standards associated with the optical disk.

本发明的一个特别优点在于，如果光盘具有与光盘相关的规格和/或标准之外的一个或多个参数时，可以获得改善的光学读出。

The distributed optical fiber sensors based on optical time domain reflectometry are the easiest ones to become products in all these distributed optical fiber sensing technology.

而在众多分布式光纤传感技术中，基于光时域反射计的分布式光纤传感器是最容易实现工程化、产品化的技术。

Optical time-domain reflectometry located the regions where optical attenuation occurred due to leakage; optical power meter acquired the transmitted power at the end of fiber, and these events could be identified according to the characteristics of signals.

在光入射端，用光时域反射计对上述事件引发的损耗进行定位；在光输出端，用光功率计检测光功率的变化，并根据信号特徵来判定事件的类型。

In addition, comparing with moving mirror system the rotating mirror system is of benefit to increase the mainipulating speed of an optical trap, simp lify the mechanism of an optical tweezers, reduce its cost, and shorten the cycle of completing an optical tweezers.

此外，比较分析表明，与平移反射镜系统相比，转镜系统在光镊技术中的应用可加快光镊操纵速度、简化光阱位置操纵系统的复杂程度、有利于系统开发成本的减少及开发周期的缩短。

The curvature radius of optical sphere is an important parameter to determine the properties of an optical sphere. The measurement result of the spherical curvature radius can be used to assess the quality of an optical component.

光学球面曲率半径是决定光学球面光学特性的重要参量，通过测量光学球面的曲率半径，可以审核光学元件设计制造质量。

Adjacent grooves in the first groove set are separated by a distance sufficient to define therebetween a structure defined by a first optical surface (142) on one side, a top surface (146) and a first non-optical surface (150) opposite the first optical surface.

第一沟槽组中的相邻沟槽相隔一段足以在两者之间限定由位于一侧上的第一光学表面（142）、一顶面（146）和与第一光学表面相对的第一非光学表面（150）所限定的结构的距离。

Optical time division multiplexing ; demultiplexer ; semiconductor optical amplifier ; all optical signal process ; fast gain saturation

光时分复用；解复用器；半导体光放大器；全光信号处理；快速增益饱和

The method of diffractive optical elements, such as processing and transmission grating dense optical material from the traditional extended to ordered nano-pore materials, is expected to apply to the manufacture of high performance diffractive optical elements.

该方法将衍射光学元件如透射光栅的加工由传统的致密光学材料扩展到有序纳米孔材料上，有望适用于制造高性能衍射光学元件。

The new fluoride glass wire, or optical fibre, is a major improvement over the optical fibres now used in many modern communications systems.Present optical fibres are made from silica glass.

这种新的氟化玻璃线或者光导纤维是在普遍用于现代通讯设备中所使用的光学纤维的基础上的一项重大改革。

We have calculated the electronic structure and optical properties of zinc blende structure ZnSe under different high pressure by means of plane wave pseudo-potential methodwith generalized gradient approximationin this paper.The total energy,density of state,energy band structure,and optical absorption and reflection properties under high pressure are calculated.Furthermore,we analyzed the change of electron structure,band structure and optical properties under high pressure using the results of experiment and theory

运用密度泛函理论体系下的平面波赝势和广义梯度近似方法，利用第一性原理计算了不同的压强下ZnSe晶体闪锌矿结构，得到了它的平衡晶格常数、总能量、电子态密度分布、能带结构、光反射与吸收系数等性质，具体讨论了高压下ZnSe的电子结构，并且结合实验结果定性地分析了高压下的光学性质。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。