Matrix to determine whether it is reflexive and symmetric, Discrete Mathematics in the binary relation.
判断矩阵是否是自反的，对称的，离散数学中的二元关系。
For the complicated relation between the malfunction omen and the malfunction reason, the traditional classical mathematics cannot exactly diagnose the airplane malfunctions.
对于故障征兆与故障原因间的复杂隶属关系，如果使用传统的经典数学模型来处理往往不能准确的解决问题。
This paper discussed the relation of mathematics teaching and character education and ability cultivation.
论述了数学教学与素质教育及能力培养的关系。
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