清单6生成实际计算开始时间后经过的毫秒数，并作为编排好格式的消息打印出来的代码。

Listing 6 generates the code to actually compute the number of milliseconds elapsed since the start time, and to print it out as a nicely formatted message.

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第一个状态是初始化一些基本变量，计算总的问题数和记录测试的开始时间。

The first state is to initialize several essential variables, count the total question, and record the quiz start time.

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开始时，Adams博士和他的同事们用了三天多时间编写计算机程序以生成需要的矩阵。

Dr Adams and his colleagues began by writinga computer program that would generate such matrices, a task that took themmore than three years.

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