back-up

Normal power supply with automatic charge for the back-up power.

供电正常用自动为后备电源充电。

Clogged pipes caused drain water to back up into the room.

水管堵塞,排出去的水倒灌入室.

There is no emergency back-up immediately available

手头无法获得应急支持。

You can use a conventional heating system as back-up.

你可以用旧式的供暖系统作为备用。

You'll have to back up north.

你将不得不往北退.

You'll have to back up and turn around.

你将不得不往后退并转身.

Don't back up the moment you run up against a little difficulty.

不要遇到一点困难就打退堂鼓.

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

Computer users should make regular back-up copies of their work.

计算机使用者应该定期对自己的工作进行备份。

Technical study of back-up personnel of Chinese girl's tennis doubles

中国网球女子双打后备人才技战术的调查研究

Radio signals received from the galaxy's centre back up the black hole theory.

从该星系中心收到的无线电信号证实了黑洞理论。

Construction and Study on Power Data Back-up System

电力数据备份系统的建设与研究

Make sure you back up the disk before you turn the computer off.

一定要先复制磁盘,然后再关电脑.

Back up, Hans.

倒车，汉斯。

The Technical Back-up System of Budget Management in Commercial Banks

商业银行预算管理技术支持体系研究

Liu Bei was given 1,000 troops as the Back up force.

刘备带一千人马作后援.

Back-up disinfection system is available for all primary systems.

所有最主要的系统有备用的消毒系统.

He's now back up on the slopes again, skiing competitively in events for the disabled.

他复出了，在残疾人滑雪比赛中表现不俗。

He booted the ball 40 yards back up field.

他一脚踢出40码远，把球踢回前场。

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。

I'm not coming back up here. Never, for love nor money.

我不打算再回这里了，绝对不回了。

Some food labelling practices really get my back up.

有些食物标签的贴法实在让我生气。

To establish a safe back-up system of double service unit for hospital

建设安全可靠的医院双服务器备份系统

Alternative treatments can provide a useful back-up to conventional treatment.

替代疗法能为传统的治疗提供有效的辅助。

A method for reliability analysis on back-up redundancy On cold fusion

冷备用冗余的可靠性分析方法

Prissy edged back up the stairs.

百里茜偷偷地往楼梯口退缩.

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

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

The bus had to back up and turn around.

那辆公共汽车不得不先往后退,然后再掉头.