母体方差差异性
Variance difference of a population
市场营销活动高效性
Marketing activities efficiency
电力企业的市场营销
Marketing of electric power enterprises
电力市场营销策略
Marketing tactic for electric power market
电力市场营销策略实施
Implementation of power marketing strategy
服务市场营销
Marketing in service market
供方市场营销管理
supply side power marketing and management
关系市场营销
Marketing in relation market
华侨大学经济管理学院市场营销系
Marketing of the Economic Management College
huaqiao university
交易市场营销
Marketing in transaction market
旅游市场营销
marketing strategy
toursim marketing strategy