labour flow matrix [劳经] 劳动力流动矩阵
input-output flow matrix 投入产出流量矩阵
labor flow matrix 劳动力流动矩阵
traffic flow matrix 交通流矩阵
information flow matrix 信息流矩阵
communication flow matrix 通信量矩阵
node mass flow matrix 结点流量矩阵
augmented power flow matrix 扩展潮流矩阵
traffic information flow matrix 交通信息流矩阵
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