名词
中文翻译：系统可用性
同义词：
['system performance', 'system reliability']
例句：
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1.The new software system is expected to improve the overall system availability.
新软件系统预计将提高整体系统可用性。
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2. The company's system availability has been a major concern for many customers.
该公司的系统可用性一直是许多客户的主要关切。
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3. To ensure high system availability, we need to regularly test and maintain our systems.
为了确保高系统可用性，我们需要定期测试和维护我们的系统。