测试人员都是被测试系统，应用软件或产品的专家。
Testers are experts with the system, application, or product under test.
下图演示了数据在测试驱动器与被测试系统之间的流动。
The illustration below shows how the data flows between test drivers and the system under test.
当这个系统运行时，响应时间细分数据为您显示了被测试系统的每一部分所花费的时间。
Response time breakdown shows you how much time was spent in each part of the system under test code as the system was exercised.
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