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1·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。

2·Also described is an optional method of reliability screening for the components in the unattended relay unit.

叙述了这一中继机所用元器件的可靠性优选方法。

3·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。

4·The paper also indicates some influences of relay operation, such as quality of relay unit, technology of relay construction and the su…

元器件质量、保护装置的工艺结构及所在环境对保护正确动作的影响等，并提出了改进意见。

5·The function and principle of some intelligent units are introduced: status monitoring unit, operation unit, relay unit, measurement unit and record unit.

介绍了几种常见智能单元(状态监测单元、智能操作单元、继电保护单元、测量计量单元、设备记录单元)的功能和原理。

6·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。

7·Their short-distance radios relay information to each other in a web and pass it to a satellite unit at the edge that feeds into the National Interagency Fire Center’s network.

网点的短距离无线电能在一个网络内彼此中转信息，然后把它传送给设在森林边缘的卫星装置，再由卫星装置发送到美国国家跨部会消防中心的网络。

8·This establishes the position that the relay is driven to when the unit shuts down due to low battery state.

这一规定位置，继电器驱动单元关闭时由于低电池状态。

9·K-type thermocouple, contactless switch relay, limit unit.

型热电偶，非接触型继电器开关，极限装置。

10·Relay box is an operational device to tripping and closing of breaker instructed by protection, breaker controlling unit, monitor unit, and auxiliary device of breaker.

操作箱的作用是用来完成保护、断控单元、测控单元、断路器辅助装置对断路器跳合闸操作的装置。