To determine if pureQuery heterogeneous batching provides an elapsed-time benefit when running the sample application, you need to run the application with and without heterogeneous batching.
在运行样例应用程序时，要确定 pureQuery 异构批处理是否提供运行时间效益，您需要分别在异构批处理模式和非异构批处理模式下运行应用程序。
A specific problem, particularly if the sample is heterogeneous, is how to depict information about structural variation.
一个特定的问题是如何描述结构变化的信息，特别是如果样本是异质性时。
Previous studies on work disability related to whiplash are very heterogeneous, are often limited in sample size and show a wide variability in terms of results.
经常限制样本量的大小并得出一个变异范围非常大的结果。
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