通过系统联调联试工作，测试、评价轨道交通各系统设计的安全性、可靠性、平稳性等一系列技术性能。

Through joint debugging and commissioning of systems, a range of technical performances, like safety, reliability and stability of the design of all rail transit systems, are tested and evaluated.

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测试应具备有效性和可靠性才能达到客观评价学习者能力和检验教学结果的目的。

Testing must have the quality of validity and reliability so as to have the objective evaluation on learners' ability and check the teaching result effectively.

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目前评价产品可靠性的主要手段是试验测试，其弊端是对产品造成破坏。

At present, the main method of evaluating the reliability of the products is the experiment test, which will lead to the destruction of the products.

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