服务质量缺口模型作为一种服务质量分析工具，普遍适用于一般服务性企业。
As an analyzing tool of service quality, service quality gap model is applicable to common service enterprises.
北京优联光电技术有限公司自1982年成立以来一直致力于分析仪器基础产业的研究、开发及服务性工作。
Since its founding in 1982, Beijing Union Opto-Electronic Technology Co., Ltd. has been devoting itself in research, development and service of analytical instruments.
北京优联光电技术有限公司自1982年成立以来一直致力于分析仪器基础产业的研究、开发及服务性工作。
Since its founding in 1982, Beijing Union Opto-Electronic Technology Co., Ltd. has been devoting itself in research, development and service of analytical instruments.
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