信息不对成正在消除,消费者会注重性价比,专业化的技术服务正取代流程化的客户服务,客户体验将会越来越重要
A. 对
B. 错
毛利是经销商利润评价的关键,也是考核服务顾问绩效的结果性指标
A. 对
B. 错
What relationship is material science mainly used to study?
A. the structures and components of materials
B. the structures and properties of materials
C. the components and properties of materials
D. the properties and applications of materials
Which option belongs to the electrical properties of the material?
A. electrical conductivity
B. heat capacity
C. thermal conductivity
D. elastic modulus
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