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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Do notice, however, that the OID field in Figure 14 exactly matches with the SYNTAX field of the cn attribute in Figure 13.

但是，请注意，图14中的OID字段与图13中的cn属性的SYNTAX字段确切地匹配。

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Click the cn attribute entry shown in Figure 12 and you see a screen similar to the one shown in Figure 13. Figure 13 displays the fields that collectively define an attribute type.

点击图12所示的cn属性条目，可以看到与图13所示相似的屏幕。

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