On the basis of these conceptions, we advance the computational formula of the absolute incidence degree, which keep invariant of translational transformation, and give a computation example at last.

给出关联空间及其绝对关联度的概念，在此基础上，提出一种保持平移变换不变的绝对关联度计算公式。

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A linear integral invariant, a universal integral invariant and an absolute integral invariant of second order of the system are obtained under the given condition.

给出系统存在积分不变量的条件，在此条件下导出系统的线性积分不变量、通用积分不变量和二阶绝对积分不变量。

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A linear integral invariant, a universal integral invariant and an absolute integral invariant of second order of the system are obtained under the given condition.

给出系统存在积分不变量的条件，在此条件下导出系统的线性积分不变量、通用积分不变量和二阶绝对积分不变量。

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