Total mainframe power switch could not be activated: check whether the Master relay is damaged, whether the flow relay tripped.
主机总电源开关不能启动：检查主令继电器是否损坏，过流继电器是否跳闸。
And then the software system which includes master, relay unit and module unit was designed on the basis of hardware.
在硬件的基础上设计了包括上位机、中继单元和模块单元在内的软件系统。
The master communicates with the relay unit by serial communication interface and the relay unit communicates with module unit by wireless communication network.
上位机和中继单元之间采用串行口通信，中继单元和模块单元之间采用无线网路进行通信。
The method and system can further include a secondary synchronization master, which is configurable to relay the master synchronization signal.
该方法和系统可以进一步包括一个次级同步主机，该次级同步主机可配置为对该主同步信号进行转发。
It is composed of master, relay unit and module unit.
控制系统由上位机、中继单元和模块单元构成。
Qiao sailing (1985 -) male, Master, Research area: Measuring and Relay of Power system.
乔凯庆(1985-)男，硕士，研究方向为电力系统监测和保护。
The experiment of relay protection is significant for students to learn and master the principle of transformer differential protection.
继电保护实验对学生理解和掌握变压器差动保护的原理十分重要。
Zhuji City, Jian-Ling Machinery Factory is a company specialized in production of auto parts such as manual valve, master cylinder, relay valve, clutch booster, air dryer and spring brake chamber.
诸暨市剑灵机械厂是一家专业生产手控阀、刹车总泵、继动阀、离合器助力器、空气干燥器、弹簧制动室等汽车配件的企业。
Zhuji City, Jian-Ling Machinery Factory is a company specialized in production of auto parts such as manual valve, master cylinder, relay valve, clutch booster, air dryer and spring brake chamber.
诸暨市剑灵机械厂是一家专业生产手控阀、刹车总泵、继动阀、离合器助力器、空气干燥器、弹簧制动室等汽车配件的企业。
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