A number of other general functions and constants are used to control the run of a simulation, but the important concepts are tied to the classes.

有许多其它常规函数和常量用于控制模拟的运行，但重要的概念都与这些类结合在一起。

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You can also reference other classes, functions, and subs from script libraries if the code or logic you require has already been written.

如果已经编写了所需的代码或逻辑，那么您还可以从script库中引用其他类、函数和sub。

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The manageItemsUtil class implements a few basic utility functions that are needed by the other classes and some JSPs.

manageitemsutil类实现了其它类和一些JSp所需要的几个基本的实用函数。

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