您要查找的是不是：
- main and backup channel 主备信道
- When the main and backup power conversion, the system should have maloperation. 当主、备电源转换时,不应使系统产生误动作。
- Fault Diagnosing Principle of Main and Backup INS 一种主备配置的惯导系统故障诊断原理
- integration of main and backup protection 主后一体化
- integration of main and backup protections 主后备一体
- Connections for main and crosshead lubrication . 主润滑油路和十字头润滑的连接。
- Mechanical type chuck cutter of main and auxiliary body; d. 机械式主辅卡刀体;.
- Tashan mine are excavated in a main and a auxilary adit. 同煤集团塔山矿采用主、副平硐开拓方式。
- Under this mode, regulator operate under host/standby mode, host/standby channel communicate each other, backup channel work as a backup trailing channel, and also can switch without disturbance. 在无刷励磁模式下，调节器可在主备两种模式下运行，主备用通道可相互通讯，后备通道作为热备跟踪通道，并能实现无扰动切换。
- Maine and Vermont are both trying to insure all their citizens. 缅因州和佛蒙特州都尝试为所有的居民投保。
- Assist maintenance staff with downtime and backup technical support. 为维修人员提供给书支持。
- Only Administrators and Backup Operators can restore the System State. 只有管理员和备份操作员可以还原系统状态。
- Backup early and backup often. And certainly backup before you upgrade. 早做备份，经常备份。当然在升级之前也要做备份。
- Drinking water should come from the mains and be boiled. 食水应采用自来水,并煮沸后才饮用。
- FileTiger is a high-power dual-window file synchronizer and backup tool. filetiger是一个高功率双窗口的文件同步和备份工具。
- Other big producers include Maine and New York State. 其他大的生产者包括缅因州和纽约州。
- Three Years War begins along Maine and Massachusetts border. 1722年的今天，三年战争在缅因州与马萨诸塞州间的边境上爆发。
- Electrically isolated from power mains and ground referenced. 电气绝缘电力线路和参考地。谢谢！
- The tumors usually arise from the main and lobar bronchi or trachea. 肿瘤大部分长在气管，主支气管，或叶支气管中，从肺节支气管长出的病例较为罕见。
- Most of the time, people overlook maintenance and backup as one of their best practice considerations. 大部分时候,用户将检查维护和备份作为其最佳实践的注意事项。
