极限编程五原则： 提供快速反馈 （ Provide rapaid feedback ），简单假设（Assume simplicity），制造增量式的变化（Make ·简单简单假设
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3每一个活动(来自于代码检测确定损坏测试)都应很容易的执行，并为单个程序员和整体团队提供快速反馈。
3 Each activity (from checking in code to fixing a broken test) should be easy to perform and provide quick feedback to both the individual programmer and the entire team.
获得最高评级的企业可以快速增长，因为好的评论会吸引新客户，进而提供更多的正面反馈。
Businesses that attract top ratings can enjoy rapid growth, as new customers are attracted by good reviews and subsequently provide yet more positive feedback.
在本文提供的示例脚本中，抽样频率是每2秒抽样一次，这样可以提供快速的反馈，但是在短时间内会产生较多的样本数据。
In the example script provided, the sampling rate is every two seconds, which provides rapid feedback, but generates quite a bit of sample data in a short period of time.
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