例如，如果所有检索到的实例中某个特殊属性有相同的值，就要在下一问题集合中删除该属性。
For example, if a particular attribute of all the retrieved instances has the same value, that attribute is dropped from the next set of questions.
要检索数据，可以使用ContactDatabase的items方法来搜索特殊记录。
To retrieve the data, we could use the items method of the ContactDatabase to search for a particular record.
特殊页面常用来生成信息，不管信息是从数据库还是其他资源检索而来，在本文中就制作了一个特殊页来显示系统的某些统计信息。
Special pages are often used to generate information, whether retrieved from a database or other source, so you made one that displays some of the system's statistics.
学者和研究人员的复杂检索则借助特殊的查询语言来进行。
Complex searches for academics and researchers are supported by a special query language.
这种模糊技术的核心是全文检索，依赖于词典的特殊索引。
The central technique of the method is full-text index technique, which depends on the special index of the dictionary.
为了使特殊教育数据库系统具有较为理想的检索功能，本系统采用了分面分类技术、后控检索技术、超链接技术。
For enriching the database system of special education with ideal retrieval function, the facet classification, post controlled retrieval and hyper chaining techniques are employed.
文件粉碎操作确保所有不需要的数据是完全消灭了你的系统所以没有人可以在未来使用特殊的恢复工具检索信息。
A file shredding operation makes sure all unwanted data is completely wiped out from your system, so no one can retrieve the information in the future using special recovery tools.
“有无刑事犯罪记录检索证明”一般只用于境外使用，有特殊要求必须办理公证的除外。
"With or without criminal record retrieval certificate" is generally used only for overseas use, there are also special requirements of notarization for some persons in the home country.
“有无刑事犯罪记录检索证明”一般只用于境外使用，有特殊要求必须办理公证的除外。
"With or without criminal record retrieval certificate" is generally used only for overseas use, there are also special requirements of notarization for some persons in the home country.
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