distribution mix分配销售组合,分配渠道组合distributionn.分布；分发；分配；散布；销售量distribution of benefits利益分化distribution of air flow风流分布Distribution of momentum环量分配distribution of taxation赋税的分配distribution of bed load床层负荷分布distribution of concrete混凝土混合料分配distribution of galaxies星系的分布distribution of distance距离分布distribution of microbes微生物分布distribution equilibrium分配平衡