All data were collected through direct interview. The gathered data were analyzed by methods of matched and unmatched studies in IBM computer, and expressed by odds ratio (OR).
直接面询收集的资料用IBM微机处理，主要用成组和非成组分析方法计算比数比(OR值)。
Host computer application program is to control data acquisition system and show gathered data, and it is relatively simple to design.
主机应用程序主要是对采集系统进行控制并显示采集后的数据，程序设计相对简单。
Warehouse data is often gathered from sources throughout an enterprise , including different applications , databases , and computer systems , and is likely to be fragmented and inconsistent.
数据仓库数据经常是从整个企业的各种来源收集的，包括不同的应用、数据库与计算机系统等，因而可能是支离破碎和不一致的。
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