计算机

This paper analyzes and compares the computer graphical methods representing geological symbols ( especially lithotype notations ) with each other, and presents a new comprehensive method-graphical element composition method and its classified code scheme for the computer graphical definition of geological symbols based on analyzin...

本文对地质符号的有关计算机图形学方法进行了分析和比较，并在对各种地质符号的分析研究基础上提出了一种地质符号的计算机图形学定义的新的综合性方法—图元组合法及其分区编码方案

Designing princeple and measuring programme which combines a manul instrument with artificial intelligence for data analysis were put forward. As an alternative, another approach with computer-sensor system is also proposed for future development of leather industry.

根据制革生产现场潮湿、多酸、碱、盐及电网波动大的实际情况，设计、制作了皮革手感信号的便携式检测仪，并创造性地提出了用便携式检测仪作现场检测，而用计算机以人工智能方法分析数据的实用皮革手感测定方案，以及与制革和皮件生产的未来发展趋势相适应的计算机检测分析系统。

Methods After 3 dimensional measurement,data process and making model of a edentulous model, artificial teeth and the maxillomandibular bite plate, on the position of centric relation, the artificial teeth were arranged according to the principle and demand of the complete denture's teeth arrangement.

近年来，随着三维(3D)测量技术和计算机辅助设计(computer aided design，CAD)软件的发展，测量并记录口腔软、硬组织和颌位关系的3D方法迅速提高，计算机辅助设计与辅助制作系统已广泛应用于口腔医学的临床和教学。

Using lifting techniques, a linear time-invariant state space model of multirate digital control systems is constructed at first.

1引言 近年来，随着控制理论和计算机科学的飞速发展，计算机控制系统无论在数量上和质量上都有很大的提高。

Then the pole assignment of multirate digital control systems under output feedback is discussed.

在计算机控制系统的分析与综合中，被控对象往往是连续时间系统，为了能利用计算机实行控制，必须引人采样器和保持器。

Then detailedly introduces the principle of pole-changing modulating speed and design feature in times pole proportion and non times pole proportion in the Mixed pole-changing simplex winding multispeed asynchronous motor , carry on discuss to the main parts of electrical machinery electromagnetism computation; by using VISUAL BASIC under WINDOWS platform for computer-aided design method for the mixed pole-changing simplex winding multispeed asynchronous machine, carries on profound analysis for the computer-aided design in the following aspect such as rotor and setting flush piece size, groove shape size, the rotor and setting winding connection, and start performance.

本文在介绍了单绕组多速电动机的概况，阐述了目前多速电机的发展现状与前景；利用槽号相位图以及混相原理对变极绕组进行了研究，确定了绕组的混相方案；并详细地介绍了混相变极单绕组多速电机在倍极比与非倍极比时的变极调速原理以及设计特点；对电机电磁计算的主要几个部分进行了讨论；介绍了使用WINDOWS平台下的VISUAL BASIC对混相变极单绕组多速异步电机的计算机辅助设计方法，对混相变极单绕组多速异步电机的定转子冲片尺寸、槽形尺寸、定转子绕组接法、定转子相带、起动性能的几个方面的计算机辅助计算进行了深刻分析；最后，对混相变极单绕组多速异步电机的样机检测试验结果进行了分析。

Should collect and distribute navar from a long-range supervisory control computer, a this locality administration computer and some this locality controllers is composed of.

该集散控制系统由一个远程监控计算机，一个本地管理计算机和若干个本地控制器组成。

Authentication schemes are one of the most useful and fundamental primitives in public key cryptography which applies cryptographic methods to achieve the security services such as authenticity, integrity and nonrepudiation.

随着计算机和计算机网络的快速发展，信息安全已经成为信息社会急需解决的问题。

Finally, the computer monitoring system was installed into a computer equipped with a data-collecting device. By using the system, the oestrus of dairy cattle could be predicted and forecasted timely and accurately.

将奶牛发情计算机监测系统安装于与数据采集设备相连的过程计算机中，对奶牛发情进行实时监测并做出及时准确的奶牛发情预报。

Your company is one orf the largest compauter manufactureson the worls, I would like to devote my contribution ot your company.

贵公司是世界上最大的计算机生产商之一，我希望在贵公司为计算机事业作出贡献。5。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。