您可能会感到奇怪。其实内部函数调用将输入字符串转换成使用特定格式编译的时间戳。

In case you're curious, the inner function call converts the input string into a timestamp that complies with a specific format.

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主函数的作用（参见 清单 7）就继而变成了单纯地实例化恰当的输入和输出格式，并最后以 readFeaturesInto 函数调用告终。

The role of the main function (see Listing 7) then becomes solely instantiating the proper input and output formats, culminating in the readFeaturesInto function call.

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fscanf函数的作用是：从文件中按照指定的格式输入。

The fscanf function parses the input from an open file according to the specified format.

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