或者矩阵不可逆时，有无穷解。
Or, if a matrix is not invertible, then you have infinitely many solutions.
利用一个容积为15L的实验室高浓碎浆机研究了碎解参数对废纸碎解和油墨粒子不可逆再沉积的影响。
Defibering and ink irreversible redeposition were characterized during the repulping of waster paper in a 15L laboratory repulper.
两种方法都可以利用广义逆矩阵求得显式解，具有可逆性、可交换性、结合性等优点，提高了曲面形状修改的效率和可控性。
Both methods can be solved explicitly by a pseudo-inverse matrix and are of invertible, commutative, and associative properties, which enhance the efficiency and controllability of the manipulation.
两种方法都可以利用广义逆矩阵求得显式解，具有可逆性、可交换性、结合性等优点，提高了曲面形状修改的效率和可控性。
Both methods can be solved explicitly by a pseudo-inverse matrix and are of invertible, commutative, and associative properties, which enhance the efficiency and controllability of the manipulation.
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