定性三角推理方法研究Research on Qualitative Trigonometry Reasoning Method
邢洁清;朱庆生;许小艳;
摘要(Abstract)：
给出了距离与方向的定性划分,并指出了定性运算的推理模式,得到相应的推理规则表.通过实例对两种推理路线进行了比较和分析,归纳出适用于推理的基本原则.最后,对问题的已知量规模进行了分析,给出并证明了最小已知量规模的估算公式.
关键词(KeyWords)： 定性三角推理;距离;角度;方向
基金项目(Foundation): 国家科技支撑计划项目(2007BAH08B04)
作者(Authors): 邢洁清;朱庆生;许小艳;
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