单词 | off-line |
释义 | off-line [`ȯf¦līn] COMPUTER SCIENCE Describing equipment not connected to a computer, or temporarily disconnected from one. ENGINEERING 1. A condition existing when the drive rod of the drill swivel head is not centered and parallel with the borehole being drilled. 2. A borehole that has deviated from its intended course. 3. A condition existing wherein any linear excavation (shaft, drift, borehole) deviates from a previously determined or intended survey line or course. INDUSTRIAL ENGINEERING State in which an equipment or subsystem is in standby, maintenance, or mode of operation other than on-line. |
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