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用区间将带有误差或其它不确定数值的结构参数包含起来，这种参数称为区间参数。将区间数学中的区间扩张与矩阵摄动理论相结合，给出估计这种具有区间参数结构静力响应范围的一种区间摄动法。数值例子说明了本方法的有效性。
Inclusion of structural parameters with errors or other uncertain values with intervals is called interval parameter. Interval expansion in interval mathematics is combined with matrix perturbation theory to give a kind of interval perturbation method to estimate the static response range of this kind of interval parameter structure. Numerical examples illustrate the effectiveness of this method.