These rocks have been dated radiometrically at two billion years old.
经辐射能探测，这些岩石形成于20亿年前。
Some two billion people are short of water.
约有20亿人缺少用水。
More than two billion people are now connected to the Internet.
如今已有超过二十亿人接入互联网。
The number of cars worldwide will rise from one billion to two billion.
全球汽车的使用量将从10亿辆攀升到20亿辆。
And an estimated two billion people around the world are learning English.
全球学习英语的人数大约有20亿。
Every year there are about two billion cases of diarrhoeal disease worldwide.
全球每年约有20亿例腹泻病。
Globally, there are about two billion cases of diarrhoeal disease every year.
全球每年约有20亿例腹泻。
The company had almost twenty-two billion dollars in sales in two thousand six.
2006年公司销售额达到近220亿美元。
The canyon's rock layers display a geological history some two billion years old.
峡谷岩石的层次显示了它约有20亿年的历史。
Almost two billion people worldwide speak it, more than half of these learned it as a second language.
在全球范围，几乎有二十亿人说这种语言，其中超过半数将它作为第二语言来学习。
But trapping C02 from existing plants — about two billion tons a year — would be the real game-changer.
但从当前的电厂捕捉二氧化碳(每年大约为20亿吨)可能是一个真正能够改变游戏规则的技术。
For example, the number 2,000,000,001 (two billion and one) can be represented exactly as an int, but not as a float.
例如，2,000,000,001（二十亿零一）可以精确表示为一个int，而不是一个 float。
An estimated two billion people are infected with hepatitis B. the rates are highest in China and other parts of Asia.
全球预计有20亿人感染了乙肝。其中中国和亚洲其他地区的感染率最高。
Endeavour delivered the two billion US dollar cosmic ray detector that will remain on the space station for the next decade.
奋进号带去了价值20亿美元的宇宙射线探测器，并在未来十年里停留在太空站。
Worldwide, about two billion people -a third of the globe -get too little iodine, including hundreds of millions in India and China.
全球大约有20亿人，即全世界三分之一的人口摄碘量极低，包括中国和印度的数亿人在内。
Search market in China reached revenue of two billion yuan ($292 million) in the third quarter of 2009, 28% higher than a year earlier.
2009年第三季度，中国搜索市场总收入为人民币20亿元（合2.92亿美元），比上年同期增长28%。
Due to the discovery of a technique to mass-produce ammonia, called the Haber process, an estimated two billion people are not starving today.
由于一种被称作哈伯制氨法的可以大规模制造氨的技术被发现，让世界上二十亿人口不再每天挨饿。
According to the pitch, 80legs makes use of the Plura system and can crawl up to two billion pages a day using a 50,000 node supercomputer.
根据公司自己的介绍，80legs利用了Plura系统，动用了5万个节点的超级计算机，每天能抓取20亿个页面。
The World Health Organization projects that by 2015 more than two billion people will be overweight and 700 million of them will be considered obese.
世卫组织预计，到2015年，全世界将有20亿人体重超标，其中有7亿人属于肥胖。
Sub-standard food is a potential danger to every human being on this earth and there are already an estimated two billion annual cases of foodborne illness.
劣质食品对于地球上的每一个人都是一种潜在危险，并且据估计，每年已发生20亿例食源性疾病。
By 2050, the global population of older persons will total two billion - a significant shift in the world's demographic profile, with implications for us all.
到2050年，全球老年人人口总数将达20亿，大大改变了世界人口面貌，对我们大家都产生影响。
With two billion Web pages already in its index and with its close tracking of user behavior, Google had exactly the information needed to tackle this problem.
利用已经索引的20亿个网页和仔细跟踪用户获得的信息，Google已存储了足够的数据解决这个技术问题。
More than two billion people, or a third of the world's total population, are infected with Mycobacterium tuberculosis, the bacteria that causes tuberculosis (TB).
二十多亿人(世界总人口的三分之一)感染了结核杆菌——引发肺结核(TB)的细菌。
More than two billion people, or a third of the world's total population, are infected with Mycobacterium tuberculosis, the bacteria that causes tuberculosis (TB).
二十多亿人(世界总人口的三分之一)感染了结核杆菌——引发肺结核(TB)的细菌。
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