owhCOCA³¹⁵¹¹¹⁺⁴ 基本例句 Office of the War on Hunger 赈灾办公室 This dissertation applies a continuous ordered weighted harmonic C- OWH average operator, trying to convert efficiency indicators into cost index. 运用连续的区间数据有序加权调和 C- OWH平均算子，把效益性指标转换为成本性指标； airiti.com