off-line

形容词 off-line:

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

off-line

adj.Computer Science （形容词）【计算机科学】
Not under the control of a central computer, as in a manufacturing process or an experiment.
离线的：不在中央计算机的控制之下的，如在制作过程或实验中
Not connected to a computer or computer network.
脱机的：不与计算机或计算机网络相连的