形容詞 off-line:

1. not on a regular route of a transportation system
2. not connected to a computer network

off-line

adj.Computer Science （形容詞）【計(jì)算機(jī)科學(xué)】
Not under the control of a central computer, as in a manufacturing process or an experiment.
離線的：不在中央計(jì)算機(jī)的控制之下的，如在制作過程或?qū)嶒?yàn)中
Not connected to a computer or computer network.
脫機(jī)的：不與計(jì)算機(jī)或計(jì)算機(jī)網(wǎng)絡(luò)相連的