联机计算机图书馆中心 OCLC ; Online Computer Library Center
联机计算机系统 [计] on-line computer system
联机计算机程序馆中心 on-line computer library center OCLC
人机联作计算机终端 interactive computer terminal
联机科学用计算机 [计] on-line scientific computer
因此，当主要计算机重新联机之后，主要计算机和备用计算机上的数据库可能会失去同步。
Therefore, when the primary is back online again, the databases on the primary and standby might be out of sync.
使用另一台计算机进行存储则意味着备份数据基本上是联机的和可用的。
Using storage on another machine means that the backup data is basically online and available.
解决方案是检查计算机与试验机的通讯线是否脱落；检查联机选择传感器是否选择正确；检查最近的试验或操作键。
The solution is to check the computer and test machine communication line is off; check the online selection of sensor is correct; check the last test or operation keys.
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