According to design type in intervention researches, selecting different indicators of the efficacy such as the mean, percentage, relative risk, odds ratio etc.
干预性研究需要根据研究设计类型，选取均数、百分率、相对危险度、比值比等不同的疗效指标表示方式。
The principles of selecting the type, methods, system structure, representation of expert knowledges, design and inference model of a knowledge base and spread of level are discussed.
阐述了该系统的选型原理、方法、系统结构、专家知识表示、知识库设计以及推理模式和可信度传播等问题。
Data Sources window onto a design surface without selecting a control, the default control for the data type of the selected item is added to the design surface.
“数据源”窗口拖至设计图面上，则会将选定项的数据类型对应的默认控件添加到设计图面中。
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