Testing the performance of a Web application isn't a simple matter of recording a scenario and playing it back to simulate a number of different users hitting the application.

测试一个Web应用程序的性能不是简单的记录情节并回放它来模拟众多不同的使用者点击这个应用程序。

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Modern signal processing and pattern recognition have been playing an increasing important role in ultrasonic nondestructive testing and evaluation.

现代信号处理与模式识别技术在超声无损检测与评价中的作用愈来愈重要。

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ATS (automatic testing system) is playing an important role in modem science and technology.

自动测试系统在现代科学技术中发挥著越来越重要的作用。

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Meera Syal and Jo Brand joined one of the first groups, playing "dementia fact bingo" and testing their memory of everyday objects, such as the features on a one-penny piece.

BBC: Comedians Meera Syal and Jo Brand are 'dementia friends'

Various professional sports leagues have attempted to set a level playing field by testing for drug use and suspending those found guilty.

FORBES: Why It's Time To Legalize Steroids In Professional Sports

But while there is compelling evidence that illegal, over-the-counter, and prescription drugs are playing an increasing role in traffic crashes, there are no standards or testing criteria for these substances, and their role in crashes is often under-reported.

WHITEHOUSE: Drunk and Drugged Driving: Not an Acceptable Part of Life