求翻译：经过20多年的不懈努力，学者们在与顾客感知服务质量相关的一系列问题上都达成了共识，感知服务质量管理的理论框架已经被基本奠定。是什么意思？

After 20 years of unremitting efforts, scholars have reached a consensus in a series of questions related to perceived service quality and customer perceived service quality management theoretical framework has been the basic laid.

As a result of more than 20 years of unremitting efforts, scholars are aware with the customer service quality in a range of issues relating to the have reached a consensus, and aware of the quality management has been the basic theoretical framework laid.

After more than 20 years unremitting endeavors, the scholars in all achieved the mutual recognition with in customer sensation grade of service correlation a series of questions, the sensation grade of service management theory frame basically have already been established.

After more than 20 years of unremitting efforts, the scholars associated with the customer's perception of service quality have reached a consensus on a range of issues, theories of perception of service quality management framework has been laid.

正在翻译，请等待...