需求、系统体系结构和数据体系结构等资料并不限制到单个项目，要进行重用。

Materials such as requirements, system architecture, and data structures are not restricted to a single project and are intended to be reused.

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每个用户都可以把朋友分类，并限制哪一个组可以看到他哪一部分的资料。

Each user can organize friends into categories and limit which group sees which parts of his profile.

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例如，如果有一个页宽为4 KB(4096)的表空间，那么一行的最大大小不能超过4005字节(请参阅参考资料一节，了解关于SQL限制的更多信息)。

For example, if you have a table space with a page size of 4 KB (4096), then the maximum length of a row is restricted to 4005 bytes (see the Resources section for more information on SQL limits).

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