【单选题】Which of the following statements is true of clustering as a means to segmenting?
A.
Clustering tries to find contrasting patterns within sets of data.
B.
Clustering groups customers who differ on segmenting dimensions.
C.
Clustering usually requires a computer.
D.
Clustering usually tries to find differences rather than similarities between customers.
E.
Clustering involves combining two or more market segments with heterogeneous needs.
【简答题】定时器 T32 的分辨率为 , T34 的分辨率为 ,定时器 T30 的类型为 ,分辨率为 。
【单选题】( )是社会主义初级阶段基本路线最主要的内容。
【判断题】When segmenting by user status, markets are segmented into light, medium, and heavy product users.
【单选题】以下哪个定时器的时基(分辨率)为100ms