Effective data source selection strategy is one of the important issues of the spatial information retrieval.
合理高效的数据源选择策略是提高空间信息检索系统效率的重要因素之一。
The next step is to create a form definition based on this user defined metadata source, to configure the fields as selection, and to link them to the two Web services that provide the data.
下一步是生成基于用户定义的元数据源的表单定义，配置作为选项的字段，并将其链接到提供数据的两个Web服务。
Finally the article evaluates the methodology, data source, the measurement of key index, the selection of industry and controlled variable.
最后对文章所使用文献的方法、数据来源、关键指标的衡量、产业的选择及控制变量进行分析与评价。
The driver communicates with the DBMS to carry out the selection on the data source and fetches the first record.
该驱动程序与DBMS进行通信以执行数据源中的选项并获取第一个记录。
Chapter 3 lists out research methods used and concept of design, including selection of samples, source of data, definition of variables and descriptive statistics.
第三章介绍本文的研究方法与设计，包括样本选取、数据来源、变量定义和描述性统计。
Chapter 3 lists out research methods used and concept of design, including selection of samples, source of data, definition of variables and descriptive statistics.
第三章介绍本文的研究方法与设计，包括样本选取、数据来源、变量定义和描述性统计。
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