Understanding the details of each tool is an exercise left to the reader.

熟悉每个工具的详细信息是留给读者的练习。

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Understanding why simulators can be a valuable tool for performance testing requires some understanding of load.

要理解为什么模拟器会成为很好的性能测试工具，需要对负载有所理解。

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Video codecs were a strange and foreign dialect to me so at times, and I wasn't sure if it was a problem understanding the tool, a library that the tool used, or video specifications in general.

在当时视频的编解码器对于我来说是陌生的，就像是外国的方言一样，我不能确定在理解该工具和工具所用的库方面，或是一般的视频规范方面会不会有什么问题。

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This is a pretty exciting experiment that, if successful, gives scientists another tool in understanding quantum mechanics.

FORBES: Making Something Exist in Two Places At Once

Fashion trends will vary country to country but technology has become a ubiquitous tool for understanding consumer behavior and demand, regardless of borders.

FORBES: Is There Room In America For H&M And Uniqlo?

In this way, it could give children a tool for understanding their own heredity, and eventually help them understand the kind of genetic research that has been pivotal to biotech companies such as Amgen and Genzyme.

FORBES: Magazine Article