In this test, five Machine objects are created, each one with a different set of properties (serial Numbers, types, and functions).

在该测试中，创建了5个Machine对象，每个对象具有不同的属性集合(序号、类型和功能)。

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Through the analysis and test of original serial program system, curvature computing and first difference, second difference etc. are defined as key objects.

通过对原串行程序进行分析与测试，确定了以曲率计算、第一次差分计算和第二次差分计算等为并行化的重点。

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