useful direction
翻译:有效方向
同义词
1)useful direction,有效方向2)directional effective permeability,有效方向磁导率3)gradient of DEA efficiency,DEA有效最速方向4)cone-effcient directional derivative,锥-有效方向导数5)effective directivity factor,有效方向因子6)Direction of effective blast,有效爆破的方向性英汉例句
Extending the work of reference 3, this paper also indicates a general algorithm to calculate the gradient of DEA efficiency for inefficient DMUs within the empirical production set, in which all inputs and outputs of the inefficient DMUs are simultaneously changed to make them efficient DMUs.
提出经验生产可能集的支撑超平面表示形式 ,在文献 [3]的基础上 ,对生产可能集内任意非 DEA有效的决策单元 ,给出在生产可能集内 ,求解其 DEA有效最速方向 ,使其最速达到 DEA有效的一般方向 ,同时指出文献 [4 ]、[7]中的两处错误。