She objects to the constant testing because it constricts her teaching style.

她反对频繁地测试，因为这约束了她的教学风格。

《柯林斯英汉双解大词典》

Even the smallest change can bring a program or Web site to it's knees, so constant testing and improvement is important to any bit of software.

即便是微小的改动都有可能让程序或者网站挂掉，所以，对于每一个程序而言，不断的测试和改进都是非常重要的。

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Combine this with the stress of constant testing, heavy course loads, after school clubs, jobs and research internships and you get a very stressed out, unhealthy young 'next generation.'

把这个结合经常考试的压力，沉重的课业负担，在学校俱乐部，工作和研究实习以后，你会有一个非常压力的，不健康的年轻下一代。

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The Scientific Method demands a constant testing of theories.

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Despite falling behind so early, Shakhtar gave a good account of themselves in the opening stages, with Willian's pace down the left testing Alves and Luiz Adriano posing a constant problem as the focal point of the visitors' attacks.

BBC: Barcelona 5-1 Shakhtar Donetsk

In our testing, we found the 1.3GHz was constant regardless of whether one core or both cores were busy.

ENGADGET: Apple's A6 CPU actually clocked at around 1.3GHz, per new Geekbench report