The thesis brought out the designing method and choosing principle of the test system component, and introduced composition of test device.

对试验装置的设计和选用、试验流量计的设计以及检测元件的选用等作了全面的分析，对整个试验装置作了系统的介绍。

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If activity of any system component is increasing throughout the test run, the system has not reached steady state.

如果任何系统组件的活动在测试运行过程中增加，则系统不会达到稳定状态。

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Consequently, you can implement test categorization by creating a unit TestSuite, a component TestSuite, and a system TestSuite.

因而，可以通过创建单元TestSuite、组件TestSuite和系统TestSuite来实现测试分类。

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