基本解释[數學]不可約對角佔優矩陣词组短语短語weak irreducible diagonally dominant matrix 弱不可約對角佔優矩陣block irreducible diagonally dominant matrix 塊不可約對角佔優矩陣irreducible diagonally dominant matrix更多词组专业释义數學不可約對角佔優矩陣