As mobile phone text messages like "I CN C U" show, it is often possible to leave out a lot of data without losing much meaning.

诸如“I CN C U”这样的手机短信，通常可以省略大量数据而不会失去意义。

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You saw in Part 1, Figure 13 that the cn attribute type has a field called substr, which defines the matching rules for substring match.

在第1部分的图13可以看到，cn属性类型有一个叫做SUBSTR的字段，它定义了子字符串匹配的匹配规则。

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Says that it hasn't yet started to remove content filters on [gm99nd].cn, a process that could take weeks.

表示，它还没有开始撤销[gm 99nd] . cn上的内容过滤器，这个过程可能需要数周时间。

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