名词短语
中文翻译：服务寿命
同义词：
['service life', 'service span', 'service duration']
例句：
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1. The company's longevity of service is a key factor in its success.
该公司的服务寿命是其成功的关键因素。
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2. The new product has a longer service life than its predecessor.
这款新产品的使用寿命比前一代产品更长。
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3. The research aims to improve the longevity of service for renewable energy systems.
这项研究旨在提高可再生能源系统服务的寿命。