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ABSTRACT The history, recent developments and applications of optical artifical neural networks are systematically reviewed in this dissert...

本文较系统地综述了光学人工神经网络的历史及近期发展和应用。

This allows information professionals to gain a wide perspective on developments in their profession and distil useful facts for their own use.

这使得图书馆及情报专家能够在他们的专业领域发展方面获得更多更广的前沿观点，并且可以根据他们本身的具体情况从中提取有用的成分为之所用。

In recent years,the developments of internet technologies provide the possibility that medical images can be shared and stored distributively.

从超声诊断、X射线到核磁共振成像、磁源成像、数字血管造影技术、X线断层摄影技术等等，新的成像技术发展非常快。

In this paper, the factors influencing the luminescence properties and luminescence quantum efficiency of doped ZnS nanoparticles are discussed, and recent developments with preparation and applications of doped ZnS semiconductor nanoparticle materials are reviewed.

本文讨论了影响掺杂ZnS纳米粒子发光性能和量子产率的因素，综述了掺杂ZnS纳米材料制备及其应用的研究进展。

Its subject coverage includes: international DRI plant construction and modernization; production statistics; and process developments and improvements.

它的主题报导包括：国际DRI 工厂建造和现代化；生产统计；工艺工程开发与改善。

In this paper, we mainly introduced the LED's structure, working principle and basic characteristics of the main parameters, the profile of the LED driver circuit and its developments.

本文在阐述了LED的结构、工作原理、主要参数和基本特性的同时，简介了LED的驱动电路及其发展动态。

Based on the systematic analyses of the applications and developments of step motor, the driving technique of step motor are analyzed in this paper, and upon these statements, a mathematical model of VR step motor is built. With this model, the coil current of step motor with chopping driver and the non-loaded starting frequency are simulated for the base of designing of step motor servo system.

本文在系统分析了步进电机应用和发展的基础上，对步进电机的驱动技术作了详尽的论述，建立了三相反应式步进电动机的数学模型，并利用该模型对斩波驱动的步进电机绕组电流及空载运行的启动频率等进行了仿真，为步进电机驱动系统的设计提供了依据。

In some Florida developments, the drywall issue emerged after months of failures in heating and cooling systems.

在佛罗里达的部分开发项目中，干墙问题出现前几个月出现了取暖和冷却系统故障。

Duster mechanism and policy circumstances of doing good to urbanization. developments.

安徽省城市发展的关键是建立有利于城市化发展的聚集机制和政策环境。

In an analysis Penelope Eckert and Norma Mendoza-Denton phrase matters this way: One of the innovative developments in the white English of Californians is the use of the discourse-marker 'I'm like' or 'she's like' to introduce quoted speech, as in 'I'm like, where have you been?

Penelope Eckert和Norma Mendoza-Denton分析说：加州白人的英语有一个创新性的发展，就是使用话语标记'I'm like'或者'She's like'来带出引语，就像'我就问，你去哪了？

I can do simple painting, carpentry and plumbing.

我能做简单的油漆、木工和修水管等工作。

The motivations, notations and outline of this work are also given in this chapter.

从这个意义上讲，这些时滞是无害的。然后用实例说明这三个定理的应用和互不包含性。