Quadrupole source (30) a noise source in which four parts vibrate alternately in phase.
四极声源(30)一种分成四部份而相位交替振动的噪音源。
But which four-legged relatives and their family traits led the transition for legless snakes?
但是，哪种具有四肢的近亲及其特征导致了向无四肢的蛇的进化呢？
Some people may have a vocation into a field for which four years of college are a massively inefficient use of time and resources.
一些人或许进入一个行当，而四年的大学却是时间和资源的严重不充分的利用。
Kerry refers to the Benghazi US consulate attack in which four Americans, including ambassador Chris Stevens were killed last year.
克里提及去年美国驻班加西领事馆遇袭一事，这起事件造成包括美国大使克里斯·史蒂文斯在内的四名美国人死亡。
Seven thiatricarbocyanine dyes in which four are with bridge chain were synthesized. Among them three compounds are first reported.
本文合成了七个硫三碳菁。其中四个具有桥环的菁染料。
As for the horn that was broken in place of which four others arose, four kingdoms shall arise from his nation but not with his power.
至于那折断了的角，在其根上又长出四角，这四角就是四国，必从这国里兴起来，只是权势都不及他。
In 1874 he invented and sold to Western Union a system by which four messages could be sent over one wire at the same time, two in each direction.
1874年他发明并售给西联电讯公司一种装置，用了它可以在一根电线上拍发四份电报，即从每一方向可同时拍发两份电报。
The translation of English poetry into Chinese has had a history of over 100 years, to which four major translation approaches have contributed most.
英诗汉译在中国已经有一百多年的历史，采用的翻译方法主要有四种。
That would be a disaster, even by the sorry standards of recent Japanese politics, in which four prime ministers have come and gone in the past four years.
一旦出现这种局面，对日本政坛来说则是灾难性的，即使按最近日本政坛改弦更张的频率来算（过去4年出现4位首相）。
Britain complained to the United States that it was not consulted about a deal under which four men held at guantanamo Bay were sent as refugees to Bermuda, a British territory.
英国向美国抱怨称，四名关塔那摩囚犯遣送英国领土百慕大，但英方对此毫不知情。
One of his many diplomatic feats was to help create a "Concert of Europe" -a system by which four or five big powers kept miscreants in check and managed the affairs of smaller states.
他的诸多历史功绩之一就是促使创建了“欧洲同盟(Concertof Europe)”[2]——一个由4或5个大国控制无赖并管理小国事务的体制。
For example, if a stored procedure has 10 arguments of which four have non-default values and six have default values, you must have at least four question marks in the CallableStatement.
例如，如果一个存储过程有10个参数，其中4个参数没有默认值，6个参数有默认值，那么在CallableStatement中必须至少有4个问号。
And they continued to exhibit positive body-image attitudes as long as three years after completing the program, which consists of four one-hour sessions.
在完成了包括四节课、每节课一小时的课程后，他们持续表现出积极身体状态的态度，时间长达三年。
One of the best examples of this new form of teaching application is Futaba, game in which up to four children try to recognize a spinning object, and then identify what it is.
关于这种新形式的教学应用最好的例子之一是Futaba，在这个游戏中，四个孩子尝试去识别一个旋转的物体，然后识别它是什么。
Once a person ever offered four francs for Millet's "Angelus", which he intended to sell for eight.
有一次，有人出四法郎买米勒的《天使》，他打算卖八法郎。
He had witnessed the heavy casualties at the Battle of Solferino in Italy four years earlier, in which 40,000 people were killed, wounded or missing.
他亲眼目睹了四年前意大利的索法里诺战役的重大伤亡，有4万人被杀、受伤或失踪。
The upper house is called the Senate which has 100 seats equally distributed among the four provinces of Pakistan.
上议院被称为参议院，拥有100个席位，平均分配给巴基斯坦的四个州。
During this period, which can take two to four years, the would-be taxi driver has to learn the most direct route to every single road and to every important building in London.
想要成为出租车司机的人会花上两到四年的时间了解伦敦每条道路和每座重要建筑的最快的路线。
For many, the most visible result of their four years is the loan payments, which now average hundreds of dollars a month on loan balances in the tens of thousands.
对于许多人来说，这四年来最明显的结果就是偿还贷款，现在有数以万计的贷款余额，每月需要偿还数百美元。
Little Women is a novel by an American writer, which was published in 1868. The novel follows the lives of four sisters — Meg, Jo, Beth, and Amy March from childhood to womanhood.
《小妇人》是美国作家的一部小说，出版于1868年。小说讲述了梅格、乔、贝丝和艾米·马奇四个姐妹从童年到成年的故事。
Once the session was over, this person was asked to identify which of the four images had been used.
会议一结束，这个人就被要求辨认四张图片中哪一张被使用过。
There followed a gap of four years, during which William joined the Army.
之后有4年的间隔，期间威廉参军了。
The full railway, which includes 72-kilometers section through Beijing, will be completed in four and a half years.
京沪高铁将在四年半内建成，其中经过北京的部分长达72公里。
There are two designations used for God. Yahweh, which is the sacred Tetragrammaton, it's written with four letters in Hebrew, they don't include vowels.
上帝有两种称谓。耶和华是神圣的四字圣名，它由四个希伯来字母组成，它们不包括元音。
They took the four gold pieces which you have buried and ran away as fast as the wind.
他们偷走了你埋在地下的四个金币，像风一样快地跑掉了。
I only have thirty minutes to clear customs in getting to the city center and it means I have to check in by five-thirty, which means leaving home at about four fifteen.
我只有30分钟的时间来办理去市中心的海关手续，这意味着我必须在5点30分办理登机手续，也就是说我必须在4点15分左右离开家。
They receive a fixed rate, which is typically about $825 for a standard four-hour vocal session.
他们的收费是固定的，一般来说，一场标准的四小时演讲收费约为825美元。
Instead, they receive a fixed rate, which is typically about $825 for a standard four-hour vocal session.
相反，他们会得到固定的费用，通常一节标准四小时声乐课的费用是825美元。
There are twelve boys and thirteen girls in Class Four, which means 25 students in total.
四班有12个男孩和13个女孩，这意味着总共有25个学生。
There are twelve boys and thirteen girls in Class Four, which means 25 students in total.
四班有12个男孩和13个女孩，这意味着总共有25个学生。
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