Factors affecting constant pressure difference control method and advantages and disadvantages of the control plan are analyzed theoretically through pipe system head curve and pump performance curve.
根据管道水力特性曲线与水泵的性能曲线，运用理论分析的方法，对影响末端定压差控制方式的因素和该控制方案的利弊进行了分析。
Uruguay has a microchipping system for cattle, which costs $20 a head.
乌拉圭关于养牛有着通过微型芯片跟踪的系统，其花费为每头牛20美元。
Head trauma, central nervous system infections and tumors are associated with secondary epilepsy.
头部外伤、中枢神经系统感染和肿瘤与继发性癫痫有关。
In a perfect world, we would hope that every article, paper, Redbook, slide presentation, and system design would address these important issues head on.
在完美的世界中，我们希望每篇文章、论文、红皮书、幻灯片和系统设计都率先解决这些重要问题。
In other words, get all that stuff out of your head, and into your trusted system, so you don't have to worry about it while you focus on the task before you.
换言之，把其他所有事都抛出脑外，放进你的受托系统。这样你在真正集中注意力做他们之前，就不用再担心它们了。
Uruguay, for example, has a system of microchipping calves that costs about $20 a head.
比如说，乌拉圭关于养牛有着通过微型芯片跟踪的系统，其花费为每头牛20美元。
Huge practical problems beset the legal system in Congo, says Richard Malengule, head of the Gender and Justice programme at HEAL Africa, a hospital in Goma.
刚果的司法系统面临着巨大的执行问题，理查德·马伦古尔说，他是戈马“拯救非洲”医院性别与法律项目主管。
If you're trying to get your head around the whole system, the best starting point may well be the Glossary (see Resources).
如果您希望研究整个系统，最好的入手点可能是术语表(请参看参考资料)。
I can hear blood rushing in my head, the air conditioning system humming, cars whooshing by on Lake Shore Drive.
我可以听到血液在我脑中膨胀，空调系统嗡嗡作响，汽车飞快的驶过湖滨道。
The vast majority of information is better stored in your head using a completely different system - learning through connecting ideas together.
在你的头脑里面使用一个不同的系统来储存绝大多数知识会比较好——将所有的知识连结起来，通过这种方式来学习。
With the Marine Corps training system, forward observers wear a head-mounted display with a see-through visor; objects displayed on the visor appear to be part of the real world.
使用海事公司的培训系统，前锋探测队员就会佩戴一个戴在头上的物件并通过外配的透明遮护来显示；显示在遮护上的对象看起来就像是存在真实世界中的东西。
At the emergence of the computer age, the company got a head start by developing the operating system (OS) for IBM's personal computer (PC) in 1981.
随着电脑时代的来临，1981年，这家刚起步的小公司开始为IBM的个人电脑开发操作系统。
Rather, what happened is you heard English and — but the capacity grew in your head and something a lot more similar to the development of arms or legs or a visual system.
相反，你听到了英语，你脑中的英语能力得到增长，这个和手臂，下肢，或是视觉系统的发育很相似。
Unlike Canada, Mexico's banking system is largely foreign-owned; credit was squeezed a year ago when head offices ordered their subsidiaries abroad to retrench.
与加拿大不同的是，墨西哥的银行系统很大一部分是外资企业。
The study, published in the journal Pediatrics, analyzed a decade's worth of abusive head trauma cases in a New York health system. Of the 34 cases, six of the children died.
这项发表在《儿科》杂志上的研究，分析了十年来纽约医疗系统有价值的虐待致使头部受伤案例，在34个案例中，6名儿童死亡。
One conclusions that is often drawn from graphs like these is: the UK has an publicly-run health care system that would make Newt Gingrich's head explode, but they still have higher life-expectancy.
人们经常从类似这样的图表中得出一个结论是，尽管英国有着一个会让前众议院议长纽特·金里奇（Newt Gingrich）感到头大的公共医疗体系，他们的人均寿命还是要比美国高。
On October 11, 2008, the head of the International Monetary Fund (IMF) warned that the world financial system was teetering on the "brink of systemic meltdown".
在2008年10月11日，国际货币基金组织(IMF)总裁警告说，国际金融体系正颠簸于“全面崩溃的边缘”。
Greg Watson, head of OCR, one of three main exam boards, said the system of league tables and Ofsted inspections piled pressure on teachers to get results at all costs.
GregWatson是三大考试委员会之一——ocr的会长，他说，考试名次表的体系和教育标准署调查对老师们施加了压力，使老师们不惜任何代价去取得好结果。
Jeff Patmore, who works with Montpetit as head of strategic university research at BT, says such a system could be rolled out this year, although he declines to confirm any plans.
Montpetit的同事，大学战略研究部门在英国电信的负责人Jeff Patmore表示，这样的系统今年可以推出，但他拒绝确认任何计划。
The problem is not that your doubt system exists. The problem is that the software in your head that runs it, and everything else in you, is about 40, 000 years out of date.
你有怀疑系统不是个问题，问题是，你大脑里运行的软件以及你身体的其他部分都是4万年前的东西，已经过时了。
The removal of several lymph nodes from my neck and subsequent radiation treatments have rendered my lymphatic system unable to drain fluids from my head.
脖子上的几个淋巴结被切除之后，紧随其后的放射治疗已使我的淋巴系统无法排除脑袋里的积液。
When working with a dynamic language, you have to keep more of the system in your head in order to program.
当使用动态语言的时候，你需要在头脑中记住系统更多的细节才能够编程。
In effect, the store destination ACTS as a "next hop" for messages as they are routed to the central destination, where they are processed by the head office system.
实际上，每个连锁店目的地都作为要路由到中心目的地的消息的“下一个跃点”使用，这些消息将在中心目的地由总部系统进行处理。
To ensure that messages are forwarded to the head office system, each store destination has an administered forward routing path defined to the central destination.
为了确保将消息转发到总部系统，每个连锁店目的地都定义了一个到达中心目的地的受管理转发路由路径。
This cyclic weather system normally occurs once every two to seven years, and last reared its head in 2007.
这种气候系统的循环每2到7年发生一次，上次抬头是在2007年。
But recent research suggests they're a brain booster as well, and not just because they help the circulation system that pumps oxygen to your head.
但是最近的研究表明，它也是脑力提升者，这不仅仅在于它帮助循环系统向大脑输送氧气。
It was operated by voice commands and projected its data on to the windscreen, using the same sort of head-up display system found in modern fighter jets.
它由声音指令操作，使用与现代喷气式战斗机相同的平视显示器系统(前窗玻璃映像显示系统)，并且把数据投射在挡风玻璃上。
It was operated by voice commands and projected its data on to the windscreen, using the same sort of head-up display system found in modern fighter jets.
它由声音指令操作，使用与现代喷气式战斗机相同的平视显示器系统(前窗玻璃映像显示系统)，并且把数据投射在挡风玻璃上。
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