方法：用流率基本入树建模法构建系统流图，用VENSIM软件进行模拟分析和干预。
Methods: Using the SD model to build the SD diagram and using VENSIM to do stimulation analysis and intervention.
图3演示了活动系统的工作和数据流。
Figure 3 illustrates the work and data flow for active systems.
图1显示了该汽车贷款获取系统的流。
Figure 1 illustrates the flow for the auto loan procurement system.
工作流是指通过将整个工作分解成若干任务并自动化这些任务的分配与进展，以在不同团队间有效地分配工作的系统(图16)。
Workflow refers to systems that allow efficient distribution of work between teams of people by breaking the work into tasks and automating the distribution and progression of those tasks (Figure 16).
通过系统上下文关系图和信息流，您可以定义严格的系统上下文文档，这些文档在形成系统的软件架构方面非常重要。
With the system context diagram and the information flows, you can define a rigorous system context document that will prove to be very important in shaping the software architecture of the system.
图3显示双向可伸缩性测试的网络流吞吐量和系统cpu利用率，分别使用SUT中1、2和4个节点上的系统板载以太网适配器。
Figure 3 shows the network stream throughput and CPU utilization for the bidirectional scalability test runs while using the system board Ethernet adapters on 1, 2, and 4 nodes of the SUT.
图12显示测试的网络流吞吐量和系统cpu利用率，分别使用SUT中1、2和4个节点上的系统板载以太网适配器。
Figure 12 shows the network stream throughput and CPU utilization for the test runs while using the system board Ethernet adapters on 1, 2, and 4 nodes of the SUT.
图6显示双向可伸缩性测试的网络流吞吐量和系统cpu利用率，分别使用SUT中1、2和4个节点上的系统板载以太网适配器。
Figure 6 shows the network stream throughput and CPU utilization for the bidirectional scalability test runs while using the system board Ethernet adapters on 1, 2, and 4 nodes of the SUT.
图1显示netserver可伸缩性测试的网络流吞吐量和系统cpu利用率，分别使用SUT中1、2和4个节点上的系统板载以太网适配器。
Figure 1 shows the network stream throughput and CPU utilization for the netserver scalability test runs while using the system board Ethernet adapters on 1, 2, and 4 nodes of the SUT.
图5显示netperf可伸缩性测试的网络流吞吐量和系统cpu利用率，分别使用SUT中1、2和4个节点上的系统板载以太网适配器。
Figure 5 shows the network stream throughput and CPU utilization for the netperf scalability test runs while using the system board Ethernet adapters on 1, 2, and 4 nodes of the SUT.
图7显示netserver可伸缩性测试的网络流吞吐量和系统cpu利用率，分别使用SUT中1、2和4个节点上的系统板载以太网适配器。
Figure 7 shows the network stream throughput and CPU utilization for the netserver scalability test runs while using the system board Ethernet adapters on 1, 2, and 4 nodes of the SUT.
图11显示netperf可伸缩性测试的网络流吞吐量和系统cpu利用率，分别使用SUT中1、2和4个节点上的系统板载以太网适配器。
Figure 11 shows the network stream throughput and CPU utilization for the netperf scalability test runs while utilizing the system board Ethernet adapters on 1, 2, and 4 nodes of the SUT.
图4显示netserver可伸缩性测试的网络流吞吐量和系统cpu利用率，分别使用SUT中1、2和4个节点上的系统板载以太网适配器。
Figure 4 shows the network stream throughput and CPU utilization for the netserver scalability test runs while utilizing the system board Ethernet adapters on 1, 2, and 4 nodes of the SUT.
图8显示netperf可伸缩性测试的网络流吞吐量和系统cpu利用率，分别使用SUT中1、2和4个节点上的系统板载以太网适配器。
Figure 8 shows the network stream throughput and CPU utilization for the netperf scalability test runs while utilizing the system board Ethernet adapters on 1, 2, and 4 nodes of the SUT.
图10显示netserver可伸缩性测试的网络流吞吐量和系统cpu利用率，分别使用SUT中1、2和4个节点上的系统板载以太网适配器。
Figure 10 shows the network stream throughput and CPU utilization for the netserver scalability test runs while utilizing the system board Ethernet adapters on 1, 2, and 4 nodes of the SUT.
图2显示netperf可伸缩性测试的网络流吞吐量和系统cpu利用率，分别使用SUT中1、2和4个节点上的系统板载以太网适配器。
Figure 2 shows the network stream throughput and CPU utilization for the netperf scalability test runs while utilizing the system board Ethernet adapters on 1, 2, and 4 nodes of the SUT.
该模型克服了现有工作流模型如基于有向图工作流模型对系统变化适应性不足的问题。
The model enhances the adaption of the existing workflow model based on directed graph as the system changes.
本文在对业务需求、功能需求、数据需求和性能需求进行分析的基础上给出了系统的数据流图。
Based on the analysis of business needs, functional requirements, data demands and performance requirements this paper presents data flow diagram of the system.
本问讨论了“电费综合管理系统”的基本原理、数据结构和数据流图，并简要介绍了其主要功能。
This paper discusses the basic principle, data structure and data flowing map of 'power fee management system', and introduces its main functions.
文章还引入了状态流图的概念，对控制系统完整性作出一般性解释，并结合仿真模型阐述了这一方法。
This paper also introduces concept of state flow-chart and general methods on judging the integrality of a control system, then expounds the methods by combining the simulated model.
为了研究玻耳兹曼图法和谱线绝对强度法对测量结果的影响，讨论了电弧加热发动机羽流的光谱诊断方法，并建立了一套光谱诊断系统。
To determine the difference of the measurement results from different measuring methods, diagnostic principle for arcjet plume was discussed and a set of spectral diagnostic system was established.
本文介绍了一种标识流图在顺序控制系统中建模方法，然后利用可编程序控制器中的步进指令实现控制。
The paper introduces a method of establishing model using mark flow graph in sequence control system. Then the control is implemented by step-by-step instruments in PLC.
在1953年，梅森在线性系统分析中引进了信号流图。
In 1953, Mason introduced the signal flow graph in the analysis of linear systems.
然后介绍了办公信息系统的总体模块、数据流图及数据库概念模式。
The general module of the office information system, the data flow diagram and the database concept mode are also introduced.
针对航空货运的具体情况，设计了托运信息系统的系统结构、数据流图及数据库，为将来进一步研究航空货运托运信息系统打下了铺垫。
The paper also designs the system structure, DFD and database related to the air cargo market, and it provides the way to future research of consignment point of system about air cargo.
论文给出了系统的数据流图、系统结构及交互技术库的函数。
Data flow diagrams, system structure charts and library functions of interactive technique are described.
UML活动图可以表示不同抽象级的控制流，很适合用于对系统的行为建模。
UML activity diagrams can be used to describe the control flow of different abstract levels and are very suitable for modeling system behaviors.
本文尝试通过建立系统动力学仿真模型，用模型中的流图来反映其复杂的关系从而反映客观实际。
This paper attempts to establish systems dynamics simulation model, and reflects its complex relations with the model in flow graph thus to reflect the objective.
作者在光电数控火焰切割机系统的研制过程中，创造设计了一种信息流图来描述和评价机电一体化集成。
The article presents a new information flow chart model in the research process of Flame Cutting Machine with Photoelectrical Numeric control to describe and evaluate mechatronics system integration.
需求分析工具用于软件工程的需求分析阶段，它的基本功能是辅助系统分析人员对开发的系统需求进行分析，最终得到由数据流图和数据字典组成的完整而准确的软件需求规约。
Its basic function is to assist system analyst to analyze the requirement of the developed system, and to get an intact and accurate software requirement specification which is made up of Data Fl.
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