利用盲数对定性风险因子进行确定性赋值；
The qualitative risk factor is quantified by introducing blind data.
“盲数”是用来表达和处理具有多种不确定性的较复杂信息的数学工具。
Blind number is a mathematical means used to express and handle complicated uncertained information.
针对目前欠定盲分离问题中源数未知，采取“两步法”进行分离源信号。
The two-step approach is often used to separate sources in underdetermined blind separation problem.
针对目前欠定盲分离问题中源数未知，采取“两步法”进行分离源信号。
The two-step approach is often used to separate sources in underdetermined blind separation problem.
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