program-controlled telephone switchboard是什么意思

用法例句

In connection with automatic control and program controlled start and stoppoge of the pulverizing system of Minhang Power Plant s set No.

结合闵行电厂13号机组制粉系统的自动控制及程控启停,对制粉系统的相关控制问题进行了分析,并根据被控过程的具体特点,基于实际运行经验,提出了实用的智能控制策略。

The system structure and manufacturing process of boiler ash-blowing program control equipment in thermo -electric power plants are introduced, and the hardware make-up,main functions, software design and the use of micro-computer PLC control seystem are also presented.

论述了火电厂锅炉吹灰程控装置的结构组成、生产工艺流程、微机PLC控制的硬件构成及主要功能和控制软件的设计与应用。

To counter the dependable and real-time question of data, presents a method for that is applied to real-time transaction concurrency control program control mechanism in real-time relation data base management system where data is communicated between the program control user exchanged machine and personal computer.

针对程控用户交换机与ＰＣ机通信数据库中对数据可靠性、实时性要求，提出一种实时关系数据库管理系统中实时事务并发控机制在程控用户交换机与ＰＣ机通信中应用的方法。

After simply introducing the old design idea of the programmable control system of Dry Cool-ing Tower in Taiyuan No.

简要叙述了太原第二热电厂空冷塔程序控制系统的原设计思想，指出了目前程控系统与实际运行存在的脱节问题，并对空冷塔的程控改造提出了一些看法。

Development of programmable Low EMF multi-switch;

多路低热电势程控开关的研制

Design of Programmable Three-phase Precise Linear Power Source;

程控三相精密线性功率源的设计

To improve the accuracy of dosing, and get the best technic index, the PLC intelligent programmable dosing machine was applied in Dashan ore dressing plant, and has realized automatic addition, adjustment and measurement.

选矿浮选作业需要添加各种药剂 ,为获得最佳工艺指标 ,提高加药控制的准确性和可靠性 ,大山选矿厂应用PLC智能型程控加药机实现了药剂的自动添加、调整和计量 ,取得了明显的经济效益和社会效益。

This thesis is about a new technology of program-controlled telemetry for pacemakers.

讨论一新型的起搏器程控遥测技术。

The theory and its designs of hardware and software of a program-controlled sine signal generator which used in the vibration calibration system of piezoelectricity acceleration sensor is being discussed mostly in this article.

本文主要论述了用于压电加速度传感器振动校准系统中的程控正弦信号发生器的原理及其软硬件设计,并按照程控正弦信号发生器的研制工作的次序分为几大部分:首先是理论探讨、原理论证部分,在此提出了DDS程控正弦信号发生器的总体设计;其次是具体硬件电路与软件设计实现DDS程控正弦信号发生器部分;最后是误差分析与实验部分,即设计验证部分。

The design of programme-controlled gain and linear pulse amplifier;

程控增益线性脉冲放大器的设计

A programme-controlled signal source based on DDS technology has been developed.

本文提出了一种基于DDS技术的程控信号源的设计，该信号源可以应用于压电加速度传感器校准，超声波测距等系统中，从而为实现一个高效的、基于微机的自动测试系统提供了基础。

The analysis of the role and engineering control of the reinforcing steel s protective coverings;

论混凝土结构中钢筋保护层的作用与工程控制

The research for hydrogen-producing mechanism,process scheme and design,engineering control in practice on fermentative biological hydrogen production is reviewed.

介绍了厌氧发酵生物制氢系统的产氢机理、工艺流程与设计、工程控制参数等许多技术问题。

This paper is a review of fermentative hydrogen production system in ecological aspect and engineering control.

讨论了各种生物制氢系统的特点和优劣,重点讨论了厌氧发酵生物制氢系统的工艺流程与设计、工程控制参数与发酵调控、燃料电池及其衔接、产氢速率与产量的提高技术对策等许多技术问题。

To introduce the production procedure,process design,procedure control,working-out of technique parameters of wire rope for OTIS elevator.

介绍OTIS电梯用钢丝绳的生产过程、工艺设计、生产过程控制和技术参数制订,以8×19S结构钢丝绳为例,结合国内电梯钢丝绳标准GB 8903—1988,并参照OTIS电梯用钢丝绳的特殊性能,对相应的配丝尺寸进行改动,采用预变形、后变形、股绳淋油、合绳过程张力控制、在线预张拉等工艺措施,使整绳破断拉力提高19%,60万次疲劳实验后伸长率小于0。

have been adopted in LIANGANG 130?m 2 sinterstrand,the lower moisture,lower carbon,and deeper sinter bed processes have been carried out, and the procedure control and the production control have been strenthened.

涟钢烧结厂 130m2 烧结机投产两年来 ,通过采取配加生石灰、雾化水造球及蒸汽预热等措施 ,推行“低水、低碳、厚料层烧结工艺” ,加强工艺过程控制和强化生产管理 ,使工序能耗由设计的76 34kgce/t降到 2 0 0 1年的 6 6 97kgce/t。

This paper discusses the procedure control in the modern metrology management ideology from the following aspects, such as establishing the metrology management system, constituting the system documents and .

本文从建立计量管理体系、制定体系文件、狠抓基础管理等几方面论述了现代计量管理思想中的过程控制 ,突出了计量的监督保证作用。

Remote analytical chemistry based on the Internet remote control;

基于互联网远程控制的远程分析化学

Application of serial-port communication based on VC++ in the remote control of underwater welding;

VC++串口通信在水下焊接远程控制中的应用

Web-based Remote Control System for CNC Machine Tool;

基于Web的数控机床远程控制系统

Control strategy of sample intervals of cutting memory program controlling for shearer drum;

采煤机滚筒调高截割记忆程控的控制策略

Grey prediction of error for shearer drum cutting memory program controlling;

采煤机滚筒截割记忆程控误差的灰预测

A new grey correlation degree computation method of shearer drum by cutting memory program controlling;

采煤机滚筒截割记忆程控的灰关联度计算新方法