如果你的目标是要有标准化的学习方法，让每个人在同一时间以同样的方式学习同样的东西，那么通过实践来学习其实已经不符合这个模式了。
If your goal is to have standardized approaches to learning, where everybody learns the same thing at the same time in the same way, then learning by doing doesn't really fit that mold anymore.
使用精确计时作为方法执行时间的标准时要小心；测试的建立和销毁时间包含在整个执行时间中。
Be careful in using precise timings as a gauge for the execution time of a method; the setup and tear down time of a test is included in the overall execution time.
与此相反，标准病理学方法需要至少3天的时间才能完成一个诊断，而且只有84%的准确率，研究人员提到。
In contrast, standard pathology methods typically require three or more days to produce a diagnosis and are only 84 percent accurate, the researchers noted.
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