Some questions are obvious and have been thoroughly researched.
有些问题很明显，已经得到深入研究。
Before beginning the troubleshooting process, there are some diagnostic questions you should ask to determine whether there any obvious causes of a problem.
在开始排除故障之前，应该提出一些诊断问题，从而判断问题是否是由某些明显的原因造成的。
Before beginning the troubleshooting process, there are some diagnostic questions you should ask to determine whether there any obvious causes of a problem.
在开始排除故障之前，应该提出一些诊断问题，从而判断问题是否是由某些明显的原因造成的。
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