Tabs in library catalogs can make active maps to any book and guide searchers to it, even if it is off the shelf and on a table from the last reader.
图书馆目录的标签可以生成任何书籍的活动地图并且知道搜索者找到它,甚至是当它已经下架,被上一个阅读者放在桌子上的时候。
Writing that information into a database table is an exercise for the reader.
如何将该信息写入到数据库表中,留作读者的练习。
You can see from table 1 that using Reader Names fields has some powerful advantages over other forms of security.
从表1可以看出使用Reader Names字段比其他安全形式更具优势。
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