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The image of the Huajian-Ci Collection shows striking consistency and repetition rate,this article chose the scenes of back to the window,back to the light and so on with high frequency which can expand the thought of the reader to explore the poet\'s cultural character of complicated feelings,the aesthetic taste,the mentality of liegeman and concubine,and the rich cultural implication.

《花间集》词选用的意象具有惊人的一致性和重复率,本文以花间词中出现频率较高的背窗、背灯等能拓展读者思维的场景来探索词人的复杂情感、审美趣味、男子臣妾心态等文化品格及其丰厚的文化蕴含。

Simulation of back-to-back HVDC system with PSCAD / EMTDC;

基于PSCAD/EMTDC的背靠背高压直流输电系统仿真

Application of HVDC Damping Control in Linbao Back-to-Back Project;

直流附加阻尼控制在灵宝背靠背工程中的应用

Research on Pole Control System of Back-to-Back HVDC Projects;

背靠背直流输电工程极控系统的研究

HVDC System Design of BTB Project Between Northwest China and Central China;

西北—华中联网背靠背直流工程一次系统设计

Study of Two Sets of Control System for LingBao BTB HVDC Project;

灵宝背靠背直流输电工程两套控制系统的分析研究

To decrease direct serial number and switching frequency of electronic devices,and simplify the main circuit topology,a module-cascade based BTB HVDC-flexible system is proposed.

从降低电力电子器件直接串联数目、器件开关频率和简化主电路拓扑结构3个方面出发,提出一种基于模块级联的背靠背柔性直流输电结构。

In this paper, the real time digital simulator (RTDS for short) is applied in control and protection system simulation study for Lingbao Converter Station, Northwest to Central China Back to Back HVDC Link.

介绍了电力系统实时数字仿真系统(RTDS)在西北—华中联网背靠背直流工程灵宝换流站直流控制保护系统仿真试验中的应用情况,详细说明了仿真系统的配置、建模以及与外部系统的接口,并对RTDS用于直流控制保护系统仿真研究进行了总结。

Being the first back to back project for network link in China, the Northwest to Central China back to back project plays and important role in DC transmission construction, operation and localization of manufacturing of HVDC equipment.

介绍了背靠背工程直流系统保护的配置并依据工程功能规范书的设计原则和要求,结合背靠背工程的具 体设备和特点仿真研究了直流极区内接地故障,提出以保护区接地保护为主保护、背靠背差动保护为后备保护的 配置方案,详细说明了保护采用的原理、故障策略以及保护间的配合要求,并通过实时数字仿真测试,为直流系统 保护设备的制造和控制保护系统调试提供了重要和必要的依据。

This paper carries on the analysis of the sample of 2008～2009NBA competition schedule,selecting factor namely back to back(in NBA,continual two away game combat called back to back) quantity.

以2008～2009NBA所给的赛程为样本进行分析,选取的因素即背靠背(在NBA中,连续两次客场作战称背靠背)的数量和每个球队的疲劳值都是未知参数,就需要对总赛程进行数学统计和抽样来计算所考虑到的参数对每个球队的影响,来判断是否对每个球队公平。

It introduces the principle of hardware choice and summarizes the design and realization of the test system,and then it dwells on the definitions expressions arithmetic and importance of throughput frame-loss-rate latency and back-to-back the four performan.

文中介绍基于IXP2400网络测试系统的研究价值及选型原则;概述其设计与实现;讨论吞吐量、丢帧率、延迟、背对背四个性能指标的定义、公式及算法,并简要阐述了其测试目的及重要性;既而通过与官方测试结果进行分析对比,验证了方法及该测试系统的可用性、正确性。

A basket carried on a person's back.

背篓背在背上的篮子

a breach of loyalty, trust, protocol, etc

不忠、 背信、 背约等

Square back: Synonymous with "flat back".

方背:与平背同义。

Background paper

背景文件、背景材料

The children carry the bag on the back.

孩子们把书包背在背上。

The men slung their packs again.

大家又都背起了背包。

carved-back chair

格背椅[靠背有雕刻者

I have a hard time memorizing words.

我背单词都背怕了。

back surface reflection and back surface field solar cell

背场背反射太阳电池

A rucksack has straps that go over the shoulders.

背包上有两条背带.

Run the strap through the strap eyelet as shown.

把背带穿过背带环。

Down [Up] (with the) helm!

转舵背 [迎] 风!

an anal [dorsal, pectoral, ventral] fin

尾 [背,胸,腹] 鳍

Some of them carried bamboo baskets on their backs.

他们有些人（背上）背着背篓。

He swung the child on to his back.

他把孩子背到背上背走了。

The soldier carried a pack on his back.

这个军人背上背着一个背包。

Having the back showing or in view of the observer.

背面的显露出背面的或背对观察者的

Carrying such a heavy bag, I was very easy to get sweaty.

背这样重的背包，让我很快就汗流浃背。