使用粗糙集和证据合成理论中的方法，给出了获取概率信息系统的扩展决策规则集的一般方法。
Based on rough sets and evidence combining theory, a general method of extracting the extension decision rules of probability information system is given.
针对上述所提证据理论的局限性，本文提出了一种基于粗糙集理论的证据获取的新方法，并对证据合成和应用进行了研究。
To the limitation of evidence theory mentioned above, this paper proposes a new way of knowledge acquirement and also presents a valuable method of the evidence combination and application.
讨论了证据理论合成规则期望满足的基本性质。
Some desirably basic features concerned with the combination rules of evidence theory were discussed.
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