前言： 介绍了聚醚多元醇“ 官能度”的意义、计算、应用与测定，并举出实例加以说明，还给出了若干样品的实测结果。
The meaning, computation, application and determination about functionality of polyether polyols were described. Some examples were given, and the determinated results of them were obtained.
基于矩阵多元多项式的带余除法，给出了代数情形多项式组特征列的一种新求法，并举例验证了这种方法的有效性。
Based on the pseudo-division algorithm for multivariate matrix polynomials, a new solving process of characteristic series for algebraic polynomial systems is given.
并举例说明我国企业实施多元化的实际情况；
The actual situation of the implementation of diversification in the companies at home is illustrated by some examples.
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