基本解釋[數(shù)學(xué)]對角求和規(guī)則對角和規(guī)則詞組短語短語diagonal -sum rule 對角和定則the diagonal sum rule 對角和不變法則diagonal sum rule更多詞組專業(yè)釋義數(shù)學(xué)對角求和規(guī)則對角和規(guī)則