My interpretation is that system level testing is performed to ensure that the intended customer value is delivered through the capabilities that the product offers.
我的理解是，进行系统级测试的目的是为了确保通过产品所提供的功能，实现既定的客户价值。
First, the concept and calculation method of customer service level based on customer segmentation are advanced through computing the customer lifetime value.
第一，通过客户生命周期价值的计算，进行客户价值细分，提出了基于客户细分的分销系统客户服务水平的概念和计算公式。
After analyzed customer loyalty and the relevant concepts and it's essence, pointed the four level of customer loyalty and the value of customer loyalty hase been analyzed also.
通过界定顾客忠诚的概念、内涵，本质，指出了顾客忠诚的四个层次和顾客忠诚的价值。
After analyzed customer loyalty and the relevant concepts and it's essence, pointed the four level of customer loyalty and the value of customer loyalty hase been analyzed also.
通过界定顾客忠诚的概念、内涵，本质，指出了顾客忠诚的四个层次和顾客忠诚的价值。
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