22　本文详细说明了数据表查询程序设计过程中条件输入控件组的设计、数据类型的匹配问题解决及查询结果的输出设计等方法。这些都是从简化查询操作及提高查询的灵活-22 is a detailed descr iption of procedures for data table design process conditions for the importation of control group design, the types of data matching problems and th