求翻译：此后，美国的服务管理研究学者A．Parasuraman， V．Zeithaml，and L．Berry(以下简称PZB组合)对顾客感知服务质量进行了更为深入的研究。他们于1985年提出了差距模型，并将服务质量影响因素归纳为10类，以后又缩减为5类。是什么意思？

Since then, the United States service management research scholars a. parasuraman, v. zeithaml, and l. berry (hereinafter referred to as pzb combination), you more in-depth research on customer perceived service quality. In 1985, the gap model, and service quality influencing factors grouped into 10

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Hereafter, US's service management studied scholar A.Parasuraman, V.Zeithaml, and L.Berry (hereafter refers to as the PZB combination) to conduct more thorough research to the customer sensation grade of service.They proposed in 1985 the disparity model, and the grade of service influence factor ind

Since then, the United States service management research scholars a. Parasuraman， V． Zeithaml，and L． Berry (hereinafter referred to as PZB combinations) on customer perceived quality of service carried out a more in-depth study. They proposed in 1985 and the gap model, and factors affecting the qua

正在翻译，请等待...