Could it be that the elevators have a back up power system?

Use the backup task assistant to back up your system.

使用备份任务助手备份系统。

Make sure you back up your system.

确保对系统进行了备份。

This study is comprised of two sections: The first section explains implement of CRM process in the aspect of strategic enterprise management including basic implementing strategy, back up system, and relationship between enterprise culture and CRM.

主要有两个部分，一部分是从企业战略管理的角度来研究会展CRM的实施，包含会展CRM的实施流程，基本实施策略，实施CRM的保障体系，以及企业文化与CRM的关系等；

Then combine the domestic and international development trend of digitized library, in network and security system, store and back up system, library application system platform, etc. several respects not to carry on network analysis and study.

然后结合国内外数字化图书馆发展趋势，在网络与安全系统、存储与备份系统、图书馆应用系统平台等几方面进行了系统分析和研究，并与工作实践相结合，提出高校数字化图书馆解决方案。

It is a whole tendency for the supply room in the back up system of a hospital to transform from passive service to active service.

作为医院重要支持保障系统的供应室，由传统的被动服务向主动服务模式转变是医疗卫生改革的大势所趋。

Banks Back up System Innovation in Small and Medium Enterprises

银行支持中小企业的制度创新

Disassemble back-up ring and mount only in the case of replacement.

仅在更换时分解支撑环和底座。

Join in correct position with back-up ring no.5.

将支撑环连接到正确的位置上。

Finite Element Analysis of Stress and Contact Pressure of Rubber O-sealing Ring with Back-up Ring

O形橡胶密封圈配合挡圈密封的应力与接触压力有限元分析

Over current protection and negative sequence current protection are adopted to realize remote back-up protection.

为实现远后备保护功能，应配置过电流保护和负序电流保护。

Setting program of back-up protection for HV grid transmission lines

高压电网线路后备保护整定程序

Imagine of Realization of Remote Back-up Protection in Main Network above 220 kV

关于220kV及以上主网远后备保护的思考

Back-up protection units for relay protection failure in digital substation

数字化变电站继电保护装置失效后备措施研究

Study on DC line remote back-up protection in HVAC/ DC system

高压交直流混合输电直流线路远后备保护研究

The method of economic evaluation about action results of different back-up protection configuration schemes is given.

文中给出了后备保护不同配置方式下动作后果的经济性评估方法；

A Coordination Working Scheme of Back-up Protection and Automatic Safety Device

一种后备保护与安全自动装置协调工作的方案

It is responsible for translating floating point instructions of the front-end executable binary program into target instructions of back-end platform, making the corresponding logic to be executed in the back-end processor.

它负责翻译前端可执行程序中的浮点指令，使得相应逻辑能够在后端处理器上正确执行。

The hardware part of the system is composed by the front-end video capture devices, 3G communications equipment and back-end monitoring center computer.

本系统硬件部分由前端的视频采集设备、3G通信设备和后端的监控中心计算机组成。

Product designers, even more than back-end computer programmers, are in highest demand, Mr Breyer says.

布雷耶表示，需求量最大的是产品设计师，他们甚至比后台电脑程序员更抢手。

Bat few back and forth until both Bird and Rat got tired of him.

蝙蝠飞来飞去。直到鸟和老鼠都烦他了。