因此，要运行Mahout的分类器，您首先需要训练模式，然后再使用该模式对新内容进行分类。
Thus, to run Mahout's classifier, you need to first train the model and then use that model to classify new content.
她慢慢开始训练，先步行几分钟，再跑1分钟，然后再步行。
She started slowly, walking a few minutes, running one minute, and then walking again.
最佳拉伸时间是年肌肉热身之后，这就是为何大多数田径选手慢跑1-2英里后作一些拉伸，然后再开始训练单元中的艰苦部分。
The best time to stretch is after your muscles have had a chance to warm up. That's why most track athletes jog a mile or two, then do some stretching before the hard part of their workouts.
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