up·time 
(ŭptīm′)
(ŭptīm′)n.
The time during which a device, such as a computer, is functioning or available for use.
| 单词 | uptime |
| 释义 | up·time (ŭptīm′)n. The time during which a device, such as a computer, is functioning or available for use. |
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