Tuning SQL queries is not simple; it involves a well-planned and well-designed test strategy, careful observations and in-depth analysis.

SQL查询的调优并不简单；它包含计划和设计都很好的测试策略、细致的观察和深入的分析。

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You can create user interfaces and test advanced features like tuning without needing specialized hardware or a functioning television broadcast environment.

您可以创建用户界面并测试高级功能(如调台)，而无需专门的硬件或有用的电视广播环境。

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Test your application and repeat from Step 1 again until you have achieved your tuning goal.

测试应用程序，然后重复步骤1，直到达到你的调优目标为止。

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Neither should cricket crow about the millions of people tuning in to coverage of the final Test between England and South Africa.

BBC: Croquet hits back in summer-sport row

So after weeks of test runs and fine-tuning, Soundcheck christened the space on air when the up-and-coming Escher String Quartet stopped by to perform a couple of pieces.

NPR: Opening Day With The Escher String Quartet