基本解釋[數(shù)學(xué)]蘊(yùn)含冪零專業(yè)釋義數(shù)學(xué)蘊(yùn)含冪零In the last section, some potentially nilpotent fork sign patterns with seven order are investigated.在最後一節(jié)，給出了7堦的叉圖符號模式蘊(yùn)含冪零的充要條件。