近年来，随着美国标准考试成绩的下降，一些执政者认为学生需要在教室里花费更多的时间，而不是操场上。
With standardized test scores in the U.S. dropping in recent years, some administrators believe students need to spend more time in the classroom instead of on the playground.
近年来，随着美国标准考试成绩的下降，一些执政者认为学生需要在教室里花费更多的时间，而不应该在操场上。
With standardized test scores in the U.S. dropping in recent years, some administrators believe students need to spend more time in the classroom instead of on the playground.
1883年，美国和加拿大采用了标准时间系统。
In 1883, the U.S. and Canada adopted a standard time system.
在欧洲中午早些时候，十月交割的标准原油上涨72美分至每桶$77.17（截止新加坡当地时间下午的晚些时候在美国期货交易所电子交易系统的价格）。
By early afternoon in Europe, benchmark crude for October delivery was up 72 cents to $77.17 a barrel at late afternoon Singapore time in electronic trading on the New York Mercantile Exchange.
此外，世界跳跃日网站提示：由于美国东部所处时区比格林尼治标准时间晚5个小时，所以那里的人应在6时39分13秒跳，但现在是7月，不存在这个问题。
One word of caution: The site tells those of us living in the eastern part of the United States to jump at 6:39:13 because we are five hours behind GMT, but that is not true in July.
《旧金山纪事报》推测，这第三亿个人可能是于美国山区标准时间淩晨4时42分出生在珍妮·唐家的孩子；
The San Francisco Chronicle speculated it might have been the son born to Jenny Tang at 4:42 a.m.PDT (1142 GMT) .
这项研究表明，美国环境保护署(u.s. EPA)对其中114种污染物制定了最高法定安全标准，2004年到2009年期间，各大自来水公司92%的时间都达到标准。
U.S. EPA regulates 114 of those pollutants, setting maximum legal levels that water utilities achieved 92 percent of the time, according to the study.
截止2010年12月2日上午10点(美国东部标准时间)域名解析系统服务终止时，EveryDNS.net一直为wikileaks.org的域名提供此服务。
EveryDNS.net provided domain name system (DNS) services to the wikileaks.org domain name until 10pm EST, December 2, 2010, when such services were terminated.
诺基亚公司的股价上涨3.5%超过了格林尼治标准时间上午9：51(美国东部时间上午05：51)时每股7.46欧元，表现要好于欧洲斯托克600技术指标同期0.6%的涨幅。
Shares in Nokia were 3.5 percent stronger at 7.46 euros by 0951 GMT (5:51 a.m. EDT), outperforming the STOXX Europe 600 Technology index, which was 0.7 percent up.
美国国家标准技术研究所的研究人员正在开发一种镱原子钟，这种原子钟可能比铯原子钟更好。目前的时间标准是由铯原子钟确定的。
National Institute of Standards and Technology researchers are developing atomic clocks based on the element ytterbium that could outclass cesium atomic clocks, which currently set the standard.
反对提高人们的工资水平的人展开了一年又一年的辩论，但一次又一次，时间证明他们错了。让我们再次证明他们真的错了，让我们提高美国的工资标准。
The opponents of raising folks' wages have deployed the same old arguments for years, and time and again, they've been proven wrong.
本说明书中的所有时间均指美国东部标准时间。(COMAP位于美国东部时区。)
All times given in these instructions are in terms of Eastern Standard time (EST). (COMAP is located in the U. S. Eastern time zone.)
本指南所涉及时间全部为美国东部标准时间(est)，因为COMAP位于美国东部时区。
All times given in these instructions are in terms of Eastern Standard time (EST). (COMAP is located in the U. S. Eastern time zone.)
挑战者号航天飞机升空在肯尼迪航天中心，佛罗里达州垫39B条在11：38上午，在1986年1月28日美国东部标准时间。
The space shuttle Challenger lifts off Pad 39b at Kennedy space Center Florida at 11:38 am EST on January 28 1986.
很长一段时间，美国营养标准是基于不同版本的食物金字塔。
For a while now, U. S. nutrition standards have been based off different versions of the food pyramid.
美国和其他一些国家的研究估计，有30%到50%的人在一生的某一个时间达到了抑郁障碍的精神病学诊断标准。
Research in the US and other countries estimates that between 30 to 50 percent of people have met current psychiatric diagnostic criteria for major depressive disorder sometime in their lives.
“亚特兰蒂斯号”上的四名宇航员于国际标准时间将近10点在美国南部佛罗里达州的肯尼迪航天中心着陆。
The crew of four astronauts aboard Atlantis touched down just before 10:00 UTC at the Kennedy Space Center in the southeastern state of Florida.
“亚特兰蒂斯号”上的四名宇航员于国际标准时间将近10点在美国南部佛罗里达州的肯尼迪航天中心着陆。
The crew of four astronauts aboard Atlantis touched down just before 10:00 UTC at the Kennedy Space Center in the southeastern state of Florida.
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