开发系统

Structure of aero- engine case under the effect of combined axial pressure and end twist;2. The integration of CAD parametric modeling,finite element method,classical strength calculation theory with modern optimal design techniques produces a complete and systematic design procedure for performing parametric optimal design of turbine disk, engine case and turbine shaft.

开发了基于大型有限元分析软件Ansys的燃气涡轮发动机辅助设计系统，该系统将CAD参数建模技术、工程有限元数值计算方法、经典强度计算理论与现代优化设计技术相结合，实现了涡轮盘、机匣和涡轮轴典型零件的参数优化设计的完整设计流程，建立了结构优化设计平台；并通过机匣的结构优化设计实例，验证了燃气涡轮发动机辅助设计系统的有效性。

The software join electronicarithmetic together with graphics system of computer, and makes quantificational,intuitionistic, synchronous and dynamic simulation. The software makes simulationsabout water hammer and surge in surge chamber of water diversion system or tailwater system in the Nuo Zha Du Water Power Station. Then the author validates thesoftware scientific quality and feasibility by the result data of physical modelexperimentations.

本文系统地介绍了作者研究开发的水力过渡过程可视化仿真软件的原理与方法，该软件把电算法与计算机图形系统结合起来，对水力过渡过程进行定量、直观、同步地动态仿真；然后对糯扎渡水电站引水、尾水系统进行水击与调压室水面振荡仿真，并通过水工模型实验结果验证了该软件的科学性与可行性。

In order to explain the advantages of GIS in Urban Drainage pipe Planning, a GIS Assistant System based on MapObjects is presented at last.

最后介绍了利用GIS组件MapObjects设计开发的城市排水管道系统规划GIS辅助系统，以此说明了GIS在城市排水管道系统规划中的应用优势。

Along with the development of aircraft design engineering data management system (CADIS/IEDMS), a model of digital product in aircraft design phase, which is composed of integrated document, product structure and change control, is proposed. Then the functional model of aircraft design engineering data management system is interpreted, and the generating algorithm of product structure tree in this system is ...

结合飞机设计工程数据管理系统的开发，提出并描述了由集成文挡、产品结构和更改控制组成的飞机数字化产品模型，阐述了飞机设计工程数据管理系统的功能模型，重点讨论了系统中产品结构树的生成算法，最后提出了基于工程数据管理的数字化飞机并行设计过程模型。

Along with the development of aircraft design engineering data management system (CADIS/IEDMS), a model of digital product in aircraft design phase, which is composed of integrated document, product structure and change control, is proposed.

结合飞机设计工程数据管理系统的开发，提出并描述了由集成文挡、产品结构和更改控制组成的飞机数字化产品模型，阐述了飞机设计工程数据管理系统的功能模型，重点讨论了系统中产品结构树的生成算法，最后提出了基於工程数据管理的数字化飞机并行设计过程模型。

In the section of requirement analytics, it depicts the dataflow diagram of the telecom personnel management information system.

主要内容有：系统开发背景、系统概述、需求分析、系统设计、功能、感受与体会等。

But at present the forests that can be cut down are fewer, so that the forestry industries are very difficult, and the situation has been very hard for the economic activities for the people there and the sustainable development of the city. Under such background, this paper does research on the problem of the sustainable development in the forestry resource-based city, find the relationship between the cut of the forest and economic development, and the problems in the economic develop process and the reasons of the declining. Then I construct the dynamic model of the sustainable development in economic in Yichun, in order to find the reciprocities among the population, resource and economics to provide more scientific data to the deciders. From the model, we can get the sustainable mode in the forestry resource-based cities.

本文就是在这种背景下，研究林业资源型城市的经济可持续发展问题，探讨林业资源开发与经济可持续发展的耦合关系，以及林业资源型城市经济发展存在的问题及经济衰退原因，并通过建立伊春市发展的系统动力学模型，进而揭示出城市发展过程中，人口、资源、经济之间的相互作用关系，为决策者做出正确的决策提供更加科学准确的技术支持，试图找出林业资源型城市可持续发展的系统优化模式，同时，把系统动力学方法引入林业资源型城市经济可持续发展研究领域，为解决相关问题探索一种新的方法与思路。

At last develops the high-pressure spray descaling systems monitor and diagnosis system based on DMDS according to the structure and running characteristics of the high-pressure spray descaling system.

在此基础上针对除鳞高压水系统的具体结构形式和运行特征开发出一套基于分布式的除鳞高压水系统监测诊断系统。

According to the principle of expert system, this study empolders the expert system on the air-compress station, by using computers to simulate experts designing the air-compress station, also their thoughts, methods and steps.

中文摘要：本文根据专家系统设计原理，通过计算机模拟空压站专家系统设计空压站的思路、方法和步骤，进行空压站设计专家系统的开发和研究。

In order to develop new types of explosion relieve valves,a new experimental plant for explosion relief valve of diesel engine was developed,which was controlled by data acquisition system.Its functions,operation principles and facilities are introduced,with the focus on operation control system and data acquisition and analysis system.

阐述为研制新型柴油机防爆阀，开展防爆阀防爆功能试验研究，开发的一套由计算机数据采集系统控制的防爆阀爆炸试验装置，论述试验装置的功能、原理和设备，重点介绍装置运行控制系统和数据采集分析系统。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。