This code tells ActiveScaffold to limit searching on this scaffold to the user's first and last name and disables full text search.
这段代码告诉 ActiveScaffold 要限制对这个 scaffold 的搜索 —— 只允许使用用户的姓和名进行搜索，禁用全文搜索。
New data types such as links, Numbers and dates, searching, custom help, limit checking, improved navigation, views and better rich text editing have been added.
还添加了一些新的数据类型，例如链接、数字和日期、搜索、自定义帮助、限制检查、改进的导航、视图和更好的富文本编辑。
Because of the limit in structure and data storage, common search engine cannot solve the problems in data collection, data storage, information searching and sorting of searching result.
普通的搜索引擎由于其结构和所存储数据等方面的限制，使其不能很好的解决在数据采集、数据存储、信息查询以及查询结果排序等方面所存在的问题。
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