OPAC and Information Retrieval Area 信息检索区 ; 资讯检索区
retrieval area 检索区
electronic retrieval area 电子检索区
open electronic retrieval area 开放式电子检索区
area-based distribution retrieval 基于面积分布检索
GET DIAGNOSTICS statement supports retrieval of almost any fields of SQLCA area, populated by the database for each SQL statement.
GET DIAGNOSTICS语句几乎支持对SQLCA区域的所有字段的检索，该区域由用于每条sql语句的数据库来填充。
Therefore, a research on the standard system of heterogeneous information retrieval under the web environment becomes an important topic of current information retrieval area.
因此研究网络环境下，异构信息检索的标准体系成为当前信息检索领域的一个研究热点。
That can enlarge the retrieval area and advance the recall of Searching Engine.
以达到扩大检索范围，提高搜索引擎的查全率的目的。
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