Notice that constructing the ARMA innovation model, a left co-prime factorization to a polynomial matrix must be performed, so that the ARMA innovation model can correctly be obtained.
应注意在构造ARMA新息模型时，必须进行多项式矩阵的左素分解，才能得到正确的ARMA新息模型。
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The fifth part puts forward some Suggestions to strengthen constructingco DE of conduct for China's civil service based on the prior comparative analysis.