associative operation meaning in Chinese

结合的运算
结合性运算
相联操作结合律运算

Multiplication and addition are associative operations
乘法和加法是结合性运算。
In this thesis , on the basis of method study on condition monitored and failure diagnosis , study on fuzzy condition monitored and failure diagnosis method on the basis of associative operation of fuzzy theory and pattern identification theory , critical path of using the method is creation fuzzy relative matrixes by using fuzzy condition monitored and failure diagnosis method , in the paper author make much study
在研究状态监测与故障诊断方法的基础上，并对模糊理论与模式识别理论相结合形成了模糊故障诊断方法进行了研究，利用模糊诊断方法关键在于模糊关系矩阵的确定，本文对此作了一定的新探索。