曾孙和玄孙是有一定的区别，它们属于隔代不同、前后顺序不同、辈分大小不同、意思不同，通过这几个方面就可以将曾孙和玄孙区分开来，其方法也是比较的简单。[详细]
是的。矩阵的行秩和列秩相等，矩阵的行秩和列秩统称为矩阵秩。线性代数中，矩阵A的列秩是A的最大线性无关列数，同样，行秩是A的最大线性无关水平行数。[详细]
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