持续一年的

If the sidewalks seem less clogged with Bugaboo strollers these days and you can't remember the last time you had to diaper a doll at a baby shower, it's not your imagination or fuzzy memory. Birth rates in the U.S.

如果现在人行道上的婴儿车不再拥堵，并且你想不起你最后一次在送礼会上为婴儿抱尿布的情景，这不是你的想象力或者记忆力出了问题。2008年美国的婴儿出生率出现了最近40年中最大的降幅，下降了2%，而且这种趋势被认为仍将持续。

We know that the solutions of quadratic, cubic and quartic can be expressed by radicals. As to the solution of the quintic which has became an issue for past two or three hundred years, it was not solved until 1832 a great young Mathematician of French named Galois who recommended group theory that proved a polynomial of degree 5 and over 5 can't be solvable by radicals.

中文摘要我们知道二次、三次及四次的方程式都可以用根式表示，至於五次方程式的解迟迟无法解决，这个问题持续了两三百年，直到1832年，一位法国青年Galois在其决斗前夕，在他的遗书中，这位伟大的青年数学家引进了群的理论，证明了：五次及五次以上的方程式，不可能有公式解。

However, in a 2006 study of women with an average age of 48 who had a cough lasting for six months, 39 percent were found to have asthma, 9 percent had chronic upper airway cough syndrome (commonly known as postnasal drip), and 9 percent had gastroesophageal reflux disease.

然而，在2006年对平均年龄为48岁的患有持续六个月咳嗽的妇女的一项研究表明，39%的人查出患有哮喘，9%患有慢性上呼吸道咳嗽综合症，以及9%的人患有胃食管反流疾病。

Of particular importance is the Canton real estate market in recent years, various issues have long aroused the vigilance and attention of the departments concerned, the relevant government departments have already started to happen to take measures to adjust and conscious control, a set of relatively perfect with property-related laws and regulations and regulatory system for the Canton real estate market in the health of sustainable development provides a strong protection.

尤其重要的是，广东房地产市场在最近几年，各种问题也早已引起了警惕和重视，有关部门，有关政府部门已经开始发生采取措施，调整和自觉的控制，这是一套比较完善的与知识产权相关的法律和条例及规管制度，广东房地产市场的健康，可持续发展提供了强有力的保护。

Today's trouble, the 89-year-old Mr. Bernstein says, is worse than he has seen since the Depression and threatens to roil markets into 2009 and beyond -- longer than many people expect.

在这位89岁的老人看来﹐眼下这场危机是大萧条以来最为严重的一次﹐其影响可能持续到2009年甚至更远的未来﹐延续的时间会超出很多人的预期。

Vehicle equipped with a Bosch magneto generator of high-strength dual-ignition system and each cylinder is equipped with two spark plugs, battery - coil ignition system. C4 is a super-power and high reliability of luxury cars, in 1921, a standard C4 broke the endurance record of 36 days continuous running, running as long as 30,000 kilometers.

该车装有博世公司的高强度磁发电机的双点火系统，并且每个气缸装备了两个火花塞的电池-线圈点火系统。C4是具有超强马力和高可靠性的豪华汽车，在1921年，一台标配的C4打破了耐力赛记录，持续行驶36天，运行了长达30000公里。

The final phase produces a single, intact personality through Positive Unified Reintegrated Reinforcement, and though this phase can last upwards of two years, it is essential that it be performed unerringly with intensely focused purpose.

最后阶段产生一个单一的，完整的人格通过积极的统一重新加固，虽然这一阶段可以持续向上的两年里，至关重要的是，它进行unerringly与注重目的。

Although we do not think that such rapid credit expansion is sustainable throughout the year (see "China Economics: Recent Rapid Bank Credit Expansion Not Sustainable", February 2, 2009), the heavily front-loaded policy response of 'crisis-management' style to supporting growth has helped effectively shore up the confidence of private investors and households and reflate the asset markets, in our view.

虽然我们不认为如此快速的信贷扩张可以维持全年（见文章《中国经济：近来快速的信贷扩张不可持续》，2009年2月2日），但在我们看来，作为一种保障增长的&危机管理&方式，大规模的首期应对政策已经有效的支撑了私人投资者及住房持有者的信心，并令资本市场再次膨胀。

In 1987, the notion of a splicing system was introduced by Tom Head in [3] as a mathematical model of restriction enzyme digestion and subsequence religation in the recombination of DNA molecules.

摘要1987年，Tom Head发表了一篇论文，引入拼接系统的概念作为限制酶与DNA作用、进行DNA重组的数学模型。更重要的是，他还证明正则语言中的一类——严格局部可测语言，与拼接语言的子类——持续拼接语言等价。

As part of a continuing effort to ensure the American public has the most accurate and truthful information available when making critical healthcare decisions, the American Academy of Otolaryngology - Head and Neck Surgery strongly supports H.R.

在做出关键的医疗保健决定的时候，作为持续努力确保美国公众享有最准确真实的有效信息的一份子，美国耳鼻咽喉头颈外科学会强烈支持二零零七年确保医疗保健诚信和透明度的行动法案--H.R。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。