Blind sources separation is a special and dominant tool for analyzing and processing signals blindly, which is promising in condition monitoring and fault diagnosis of machinery.
盲源分离是一个很有优势的盲信号分析与处理工具，在机械状态监测与故障诊断领域有较好的应用前景。
Conclusions: EBS-WC is an autosomal dominant genetic disorder with no special treatment. The diagnosis of this condition can be confirmed by the electron microscopy.
结论：EBS - WC主要是常染色体显性遗传性疾病，目前尚无有效的治疗方法，确诊需依靠电镜检查。
Based on the properties of block diagonally dominant matrices, generalized strictly diagonally dominant matrices and nonsingular M-matrices. We give the new condition of nonsingular matrices.
利用矩阵的块对角占优、广义严格对角占优以及非奇异m -矩阵的性质及理论，给出了矩阵非奇异的判定条件，拓展了矩阵非奇异性的判定准则。
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