备用

备用UPS电源的使用和维护

Use and maintenance of UPS reserve power supply

电力市场环境下AGC和运行备用的获取与定价

Procurement and Pricing of AGC and Operating Reserve in Electricity Market Environment

碰巧我在办公室有一套备用钥匙。

As it happens , I have a spare set of keys in my office .

备用罐上写着“高度易燃”。

' Highly inflammable , ' it says on the spare canister

拧下车轮螺母，放掉车胎的气，换上备用胎。

Remove wheelnuts , let down tyre , put on spare .

他老是记不起把自己阅读时用的放大镜放在什么地方，所以助手们会随身携带备用的。

He misplaces his reading glasses with such regularity that aides carry extras

别忘了带上几节备用电池。

Don 't forget to take a few spare batteries

我可能需要一套备用的衣服。

I might need a spare set of clothes

系统的每个部分都有备用元件。

Every part of the system has a backup

他们从没有任何备用的东西——他们总是把什么都用得一干二净。

They 've never had anything spare — they 've always used it all .

他本该带上一把备用钥匙的。

He could have taken a spare key

大货车载着备用的弹药。

The wagons carried spare ammunition .

如果有可能的话，最好准备一副备用眼镜，以防常用的那副眼镜打碎或者丢失。

If possible keep a spare pair of glasses accessible in case your main pair is broken or lost

这真是墨菲法则：一用备用轮胎，保准扎孔。

This was sod 's law : when the spare tyre is in use , you will have a puncture .

这家医院装有备用发电系统以防灯火管制。

The hospital has an auxiliary power system in case of blackout .

这些船都有备用发动机。

These boats have auxiliary engines .

但如果他仍顽固拒绝变革，我们就需要一套备用方案

But if he obdurately resists change , we need a plan B.

我们有一台三百千瓦的事故备用发电机。

We have an emergency-standby electric generator with a capacity of 300 kilowatts .

非低风险地区、备用隔离考场的考生须全程佩戴口罩；

Candidates from high - or medium-risk areas and those taking exams in isolated rooms must wear masks throughout the exam .

要切实加强对考场、考点环境的全面消杀，考试结束后，应对在隔离考场、备用考点（考场）考试的考生答卷进行消杀后再回收；

Disinfection should be carried out thoroughly at exam sites , and test papers from isolated exam rooms should be disinfected after the exam .

“备胎”就是一个人留在身边备用以防上一段感情快要结束的暧昧男或暧昧女。

Rebound guy / girl is a guy / girl used on the sideline by an individual if he / she thinks his / her relationship is going to end .

这是我在沙漠上出了事故的第八天。我听着有关这个商人的故事，喝完了我所备用的最后一滴水。

It was now the eighth day since I had had my accident in the desert , and I had listened to the story of the merchant as I was drinking the last drop of my water supply .

PowerPool模式电力市场中最优备用容量的确定及其定价问题是非常重要和复杂的。

The problem of optimal standby capacity and its valuation in Power Pool is very important and complicated .

线路热备用断路器防雷探讨电子线路CAD

Research on the Lightning Protection for Standby Line Circuit Breaker An Approach to CAD in Electronic Circutis

一个DB2HADR场景由两个DB2系统组成，一个是主系统，一个是备用系统。

A DB2 HADR scenario consists of two DB2 systems , a primary and a standby .

练习3.3：使用备用截面监视AP

Exercise 3.3 : Using alternate interfaces to monitor APs

MobileDeviceUserAgentKeywords设置确定何时显示一个更加适合窄屏浏览器的备用登录屏幕。

The Mobile Device User Agent Keywords setting determines when to display an alternate login screen that is more suitable for narrow-width browsers .

如果服务器出现故障，客户机API软件将把缓存读写操作重新路由到正常运行的备用服务器上。

If servers fail , the client API software reroutes your cache reads and writes to a working alternate .

方法8只孕兔随机分为A、B、C、D4组，每组2只（每只均受孕，每只产胎兔5只以上，随机选5只备用）。

Methods Eight time - bred rabbits were randomly assigned to four groups ( 2 rabbits each group ) .

它有效的解决了各层备用资源的分配问题，并且能缩短IP层路由器故障的恢复时间，是一种节约网络资源和恢复时间的路由选择策略。最后，对全文进行了总结。

It can effectively solve the distribution problem of backup resource in each layer and shortens the recovery time of IP router breakdown .