Bear Bryant, the best coach in his era, once told his players in a squad meeting, 'This will be a class operation. I want your shoes to be shined.

人称“熊”的布赖恩特是他那个时代最好的教练胜，有一次球队会议，他对球员说：“我们会有一个课堂活动。”

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The results of simulation test and model test show that the parameters of demonstration instrument are in line with teachers' class operation state.

经过模拟试验和模型测试，结果显示：演示仪参数符合教师课堂操作状态和相合性。

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On the other hand, a calling class may need temporary permissions to complete an operation in another class that has those permissions.

在另一方面，调用类可能需要临时许可权来完成另一个拥有那些许可权的类中的操作。

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What I'm going to do for about the next 15-20 minutes is just tell you what the class operation is like so everybody knows.

我接下来15到20分钟要做的是,要告诉你们这个班的管理是什么样的,这样大家都可知道。

麻省理工公开课 - 固态化学导论课程节选

The medical team and emergency services team that we have are a world-class operation, and they are constantly trying to improve car and circuit safety.

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It's not any high-class financial operation, it's a technical improvement, which sure has changed banking.

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But a city like New Orleans, with its rebuilding challenges, its violence, its rich culture, the odd mix of civic virtue and corruption, and its long-term existential risks from hurricanes and rising seas, deserves a first-class newsgathering operation.

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