每个用例应指定一个有意义的功能块，说明系统如何为参与者提供有价值的东西。
Each use case should specify a significant chunk of functionality and show how the system provides value to an actor.
因此，研究虚拟企业知识管理支持系统既具有重要的理论价值，又具有良好的实际意义。
So the study on the support system for knowledge management in VE possesses important theory value and nice practical significance.
免疫系统信息处理机制在故障诊断方面的应用具有重要的理论意义和实用价值。
The information processing mechanism of immune system is of important theoretical significance and practical value in fault diagnosis.
该充电系统的成功研制，具有重要的理论意义和工程推广价值。
The success of this charging system's development can be an important theoretical meaning and promotional value.
客观评价森林生态系统服务功能价值动态变化，对于科学经营与管理森林资源具有重要的现实意义。
It has important significance for scientifically managing and running forest resources to evaluate the dynamic changes of the service function of forestry ecosystem system.
因此，对多机器人系统协调与合作问题的研究具有重要的理论意义和应用价值。
Therefore, the research on coordination and cooperation of multi-robot systems has significant theory and application value.
时滞系统的控制问题研究具有重要的理论意义和应用价值。
It is meaningful and valuable to study the control problem for time-delay systems.
出于以上问题背景，本文对“教育生活体验研究”的意义进行了系统的分析，论述了其理论价值和实践意义。
For the above-mentioned backgrounds, my dissertation analyze the sense of "research inspect of educational life" all-roundly, it expounds the sense of theory and practice.
因此，研究卧式蒸发冷却电机定子绝缘与传热系统具有十分重要的理论意义和实用价值。
Therefore researches on the stator insulation and heat-transfer system of horizontal electrical machines have very important academic significances and applied values.
结果表明，该系统实现了最初的设计目标，并具有一定的实际意义和实用价值。
The result proves that the system realizes the original design target and possesses practical significance and value to some extent.
利用神经网络来设计自适应噪声抵消系统具有重要的理论意义和实用价值。
The use of neural networks for designing a adaptive noise cancellation system is important theoretical significance and practical value.
本文对开发电子商务教学实验模拟系统具有重要的指导意义和参考价值。
The thesis has the important guiding sense and the reference value on developing the electronic commerce teaching experiment simulation system.
目的：探讨系统聚类分析方法在食物营养学价值评价中的意义。
Objective: To investigate the significance of systematic cluster analysis in classification of nutritive value in foods.
因此对回滞特性进行建模描述和对带有回滞的非线性系统的控制策略的研究是具有重要理论意义和应用价值的课题。
It has very important theoretical significance and applied value that modelling to describe the hysteresis characteristics and the control approach for the nonlinear systems with unknown hysteresis.
因此，研究高效、准确、无拆卸的发动机测功系统与有效的失火故障诊断方法具有重要的科学意义和实用价值。
So it is of great significance and practical value to research highly efficient and exact engine power testing system without disassembly.
水力管网系统中非定常流动特性的研究具有重要的理论意义与工程应用价值。
There is a great significance of theory and valuable application of engineering about the research of unsteady flow character in the system of hydrodynamic piping network.
实验表明该方法可行，对自动文摘系统的设计具有借鉴意义和深入研究的价值。
Experiments proved that it is feasible to use the method to develop an automatic abstracting system, which is valuable for further study in more depth.
分析了在线升级的困难及实现原理，提出了一套可重复利用的实现在线升级的系统，具有实际参考价值和现实意义。
The article analyses the difficulty and theory of realizing the on-line upgrade, develops a set of system that can be used repeatedly, with practical reference value and realistic signification.
目的提高血管造影对消化系统恶性肿瘤诊断价值的认识及其对介入治疗的指导意义。
Objective to improve the value of angiography in the diagnosis of the malignancy of digestive system, and to direct its interventional therapy.
社会系统是个关系系统，深层次上更是一个意义与价值的系统。
Social system is no more an relationship system than meaning and value system.
研究工作丰富了蛋白多肽类药物的缓释给药系统研究内容，具有较大的理论意义与实用价值。
This kind of study has fairly high academic significance and reference values to research the sustained-release preparation of protein or polypeptide drug.
这些内容可以为同类系统的设计开发提供参考，具有一定的研究价值和借鉴意义。
All these can be used as references for the design and development of the similar system and will have great importance for research and use for reference.
组织系统管理效率递减规律，即熵值效应，是一个具有普遍意义并且具有重要研究价值的课题。
The degression rule of the administrative efficiency of organizational systems, namely entropy effect, is a universal subject with important research value.
服务补救是图书馆服务系统的一个重要组成部分，对图书馆功能的实现有着极为重要的意义与价值。
Library service remedy is an important part of the system of library service, which is of great significance to the realization of the function of library.
研究土地利用变化对区域生态系统服务价值的影响具有重要意义。
It is of significance to study the effect of land use change on ecosystem service values.
开发烧结过程智能实时操作指导系统，具有重要的理论意义和实用价值。
An intelligent guide system for controlling sintering process is developed, which earns theoretical significance and practical value.
特殊结构或采用特殊数控系统的数控机床开发专用后置处理器具有重要的现实意义和工程应用价值。
It is meaningful and valuable in engineering practice to develop special postprocessor aimed at numerical control machine with special structure or special numerical control system.
特殊结构或采用特殊数控系统的数控机床开发专用后置处理器具有重要的现实意义和工程应用价值。
It is meaningful and valuable in engineering practice to develop special postprocessor aimed at numerical control machine with special structure or special numerical control system.
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