The Conditions of Strong Rank Preservation for Adding New Elements in the Reciprocal Judgement Matrix
互补判断矩阵中导入新元素的强保序条件

With regard to the reciprocal judgement matrix, the conception of strong preservation for ranking the alternatives is proposed. And the conditions of strong rank reservation for adding new elements in the reciprocal judgement matrix are also given when the complete consistency is considered or the chi-square ranking method is used.