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 arithmetic排布算法distribution of cadmium镉的分布distribution protection分级保护Distribution of Returns收益率分布distribution of property财产分配distribution regulations分布规律distribution center site物流distribution of oil mass油量分布distribution by elements按要素分配distribution institution分配制度