人工交换

说明为了正常操作需要有操作人员的工作（如人工交换、人工执行）。

Requiring an operator in order to function (" a manual exchange ";" a manual executive ") .

本文以应用于山西移动科普展馆的虚拟人工交换软件为应用背景，对构建虚拟现实软件的手段和方法进行了分析研究。

This paper is based on virtual manual exchange software in Shanxi Mobile science exhibition hall , the methods of developing virtual reality software is given in this paper .

电话交换已有100多年的历史，最早是人工交换，经历了步进制交换、纵横制交换发展到程控交换。

The telephone switch has a more than 100 years ' history , progressed from the first manual switch , to program controlled switch .

调度系统的发展经历了从模拟到数字，从电缆、载波传输到数字光纤信道传输，从人工交换到电路交换的重大变革，其规模和质量大大提高。

The development of communication system goes though a long process that is from simulation to digital , from carrier wave transmission to digital optical fibres transmission and from manpower exchange to circuit exchange . Though the huge change , the communication system was greatly improved in scale and quality .

在统一的平台上，实现对多厂商、多类型无绳式人工电话交换设备的集中统一管理。

Supporting engineers to manage all switching equipment of different models or from various suppliers depending on the uniform platform .

近年来，为实现热干岩发电，该技术也用来制造人工热交换面。

Recently , it has also been developed to create artificial heat exchange surfaces for hot dry rock power generation system .

这一标准技术元素可追溯至1878年，来自人工电话交换系统。它似乎正在步入软盘和折叠地图的后尘。

A standard element of technology that can be traced to 1878 and the invention of the manual telephone exchange , the jack is apparently going the way of the floppy disk and the folding map .

中空纤维人工肺氧交换膜织物的研制

Fabric Memberane Exchanging Oxygen in Aitificial Lung Made by Hollow Fibre

膜式人工肺气体交换数学模型评述

A Review of Mathematical Modelling of Gas Exchange in Membrane Artificial Lungs

由于计算机系统不兼容，许多机构通过人工方式进行信息交换。

Many institutions exchange information by hand because of incompatible computer systems .