为了计算每行适用字符数的最大值，我们使用浏览器的默认设置和风格表单提供的默认排版设置。

To compute the max. number of characters per line we have used default setting of the browser as well as default typographic settings provided by the style sheets.

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本文中将使用字节计算字符串长度的方法称作字节语义，而使用字符数计算字符串长度的方法称作字符语义。

The counting of string length using a byte is referred to as byte semantics in this article, and the counting of string length using the number of characters is referred to as character semantics.

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在派生类中重写时，计算对字节序列（从指定的字节指针开始）进行解码所产生的字符数。

When overridden in a derived class, calculates the number of characters produced by decoding a sequence of bytes from the specified byte array.

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