在这个矩阵（带编号的列表）的下面给出了一些说明，您应该在选择解决方案之前，弄清楚矩阵中的这些内容。

There are several notes made at the bottom of the matrix (numbered list), which you should be sure to understand before you decide on a solution.

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索引编号只是文件相关信息中一项重要的内容。

The inumber is only one important item of information for a file.

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在许多内容管理应用程序中，需要自动生成序号，例如消费者编号。

In many content applications, you need to generate sequential numbers, such as Customer#, automatically.

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