CDT编辑器具有多种特性，这些特性使其很受欢迎。

CDT editors have several features that make them popular.

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电压、电流或数据等任何实体的一种或多种特性的随机变化。

Random variations of one or more characteristics of any entity such as voltage, current, or data.

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用户组让您使用多种特性来表达您系统上的各种类型的用户，在逻辑顺序下分组测试。

User groups let you group tests in a logical order by using various characteristics representing various types of users on your system.

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