sampling frame造句

The strategy that smcc ' s expands the market by developing new customers is marketing ' s concept as the goal of retention customer . 2 . designed the investigation model for smcc customers " satisfaction , and the sample method and sample frame
本文在分析和研究中有以下几点创新： 1 、首次提出了以维系客户为目标策略的移动服务营销理念； 2 、设计了四川移动用户满意度调查模型和抽样方法。
The sampling frame was composed of the lists of youths aged between 14 and 19 from nine institutions of the correctional services department , four boys and girls homes of the social welfare department , and the aforementioned five collaborating agencies . data collection was carried out in november 2002 and ended in march 2003 , just before the outbreak of sars in hong kong
抽样范畴包括惩教署属下九间教导所和劳教中心、社会福利署辖下四间男童院和女童院，及上述五间社会服务机构所服务的十四岁至十九岁的青少年。
It's difficult to find sampling frame in a sentence. 用sampling frame造句挺难的