名词
中文翻译：Unknown
同义词：
['QoS', 'QoL', 'QoI']
例句：
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1. 服务等级
Service Level
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2.质量水平
Quality Level
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3. 服务质量
Quality Service
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1. The customer service team is responsible for ensuring a high level of customer satisfaction.
客户服务团队负责确保高级别的客户满意度。
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2. The company has implemented a Quality Service Standard to improve the overall quality of its products.
公司已实施一项质量服务标准，以提升其产品的整体质量。
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3. The QoS indicators show that the company's performance has improved compared to last year.
QoS指标显示，该公司的业绩与去年相比有所提高。