a period of time when something (as a machine or factory) is functioning and available for use
例句
用作名词 (n.)
These include reducing IT management costs, increasing systems uptime, improving security and enabling wireless solutions. 这些包括减少资讯科技管理费用，增加系统正常运行时间，改良安全和促成无线的解决。
Some enterprise users are implementing Fiber Channel products in data storage networks to ensure maximum network uptime. 一些企业用户正在数据存储网络中实施光纤通道产品，以此确保最大的网络正常运行时间。
美
['ʌptaɪm]
