On the one hand, teachers tend to make use of different kinds of testing to force students to work hard at school.

一方面，老师们往往利用各种测试来迫使学在校努力学习。

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The types of tools used in these success stories varied widely, reflecting the many different kinds of benefits available from many different kinds of testing tools.

这些成功案例中用到的工具各式各样，说明不同的测试工具能带来不同的收益。

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For example, if an event contains an xsi: type attribute identifying its payload, and different kinds of events have different types, testing this attribute may be all that's needed.

如果所订阅的事件包含了确定其有效负载的xsi： type属性，并且不同的事件实例具有不同的类型，则所需做的工作就是测试此属性。

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