Vensim PLE快速指南：系统动力学建模入门与工具操作详解
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Vensim PLE快速参考与自学手册是一份针对Vensim这款系统动力学建模软件的详尽指南。Vensim是一个广泛应用于系统分析、模拟和决策支持的工具，特别适合于理解和预测复杂系统的动态行为。该手册主要关注以下几个核心要点：
1. 文件操作与剪贴板功能：Vensim遵循Windows程序的标准操作方式，用户可以像其他Windows应用一样进行文件的打开、保存、复制、粘贴等操作。这些操作通常可以通过工具栏快捷按钮轻松完成，菜单选项也常常与工具栏按钮功能重叠。
2. 操作快捷方式：手册强调了鼠标操作的术语定义，如点击（左键单击）、拖动（左键按住并移动）、右击（或控制点击，即同时按住Ctrl键再左键点击）以及shift点击（按住Shift键再左键点击）。这些基础操作在Vensim界面中至关重要。
3. 工作台概念：Vensim采用工作台（Workbench）的比喻，用户通过工具栏上的各种工具创建和修改模型。工作台上始终有一个“Workbench Variable”，这个变量是工具自动作用的对象，通常显示在标题栏中央。例如，上述描述中的"FINALTIME"就是工作台变量的一个实例。
4. 版权信息：手册版权归属于1998年和200X年，表明此内容可能包含了Vensim PLE的具体版本更新和知识产权要求。
这份自学手册不仅介绍了基本操作，还深入讲解了如何设计和构建系统动力学模型，包括如何设置输入和输出、创建方程、组织子系统、以及调试和优化模型性能。此外，手册可能还会涵盖Vensim PLE特有的功能特性，如数据可视化、仿真设置、参数调整和模型分享等方面。
对于想要学习和精通Vensim的用户来说，这本手册是一个宝贵的学习资源，无论是初次接触还是希望提升技能的模型构建者，都可以从中找到所需的信息和支持。通过系统地学习和实践，用户将能够熟练掌握这个强大的系统动力学建模工具。
5
Status Bar
Button Definition
Controls to display different views: The two arrows at each end of the
bar rotate through the available views. The bar shows the title of the
current view and displays a list of all available views when clicked.
Set fonts on selected vars: Select a variable in the Build Window by
clicking on it before clicking this button. Select multiple variables by
dragging across them with the Move/Size pointer tool. Add or remove a
variable from the selected set by shift-clicking on it with the Move/Size
pointer. If no variables are selected, then you can change the defaults used
in the model.
Set size on selected vars: Select the variable(s) before clicking on this
button.
Set bold on selected vars: Select the variable(s) before clicking on this
button.
Set italic on selected vars: Select the variable(s) before clicking on this
button.
Set underline on selected vars: Select the variable(s) before clicking on
this button.
Set strikethrough on selected vars: Select the variable(s) before clicking
on this button.
Set color on selected vars: Select the variable(s) before clicking on this
button.
Set box color on selected vars: Select the variable(s) before clicking on
this button.
Set surround shape on selected vars: Select the variable(s) before
clicking on this button.
Set text position on selected vars: This is useful for variables that have an
associated graphic, such as a level box or a rate valve.
Set color on selected arrows: Select an arrow by clicking on its handle
(small circle). Select multiple arrows by dragging across them with the
Move/Size pointer tool. Add or remove an arrow from the selected set by
shift-clicking on its handle with the Move/Size pointer.
Set arrow width on selected arrows: This is used to set width. More
detailed control of the appearance of an arrow can be obtained by right-
clicking with the Move/Size pointer tool on the handle (small circle) of the
arrow. In particular, a delay mark can be put on the arrow in that way.
Set polarity on selected arrows: Use this to mark arrows in a causal loop
diagram. More control of this and other aspects of arrows can be obtained
by right-clicking with the Move/Size pointer on the handle (small circle) of
the arrow.
Push the highlighted words to the background: This is useful if you
have created a large comment with the Sketch Comment tool that overlaps
one or more model variables (for example, a large box around some portion
of the model). In this case, you may not be able to select the variables
because they are “behind” the comment. Select the comment and push it to
the background to fix this problem.
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