reserves,reserve forces

The Study about the Current Situation of the Spare Trampolines That Toward 2008 Olympic;

对我国蹦床网上单人项目备战2008年奥运会后备队伍现状研究

Taking the 75 t/h boiler control system as an example,some problems relating to the PLC-5 backup communication technique were stated in detail,such as the hardware installation .

详细地阐述了与ＰＬＣ－５的硬件安装、后备系统工作流程、软件设计及后备程序调试等有关的后备技术问题，从而有效地避免了ＰＬＣ硬件系统故障造成的控制过程中断，实现了利用后备（冗余）通讯技术，进行连续，不间断的过程控制。

Being not only the back up protection of the transformer itself but also the back up protection of the adjacent elements,the Interphase back up protection plays a role that can t replace by the other protections.

变压器相间后备保护不仅是其本身的后备保护,还作为相邻元件的后备保护,起着其他保护不可替代的作用。

Configuration and setting research on back-up protection of turbine generator with self-shunt excitation;

自并励汽轮发电机相间短路后备保护配置与整定的探讨

Study of back-up protection configuration schemes in power market environment;

市场环境下后备保护配置方法的选择

Using ATmega16 microcontroller of the Atmel Company is a main controller,the main controller provide back-up protect of the mineral hoister,examining and guardianship continuously to the hoister of the run-time status,realization back-up protection that promote safe run-time of hoister.

采用Atmel公司的ATmega16单片机作为矿井提升机后备保护系统的主控制器,对提升机的运行状态连续检测和监护,实现提升机安全运行的后备保护。