Flooding shaped the outflow channels approximately 3 billion years ago, about the same times as the northern volcanic plains formed.
大约30亿年前，洪水形成了流出通道，大约与北部火山平原形成的时间相同。
We are due to leave Folkestone in about five minutes and a journey to Boulogne will take approximately two hours.
我们预计将在五分钟内离开福克斯通，前往布洛涅大约需要两个小时。
Approximately two thirds of people have lied about reading a book which they haven't.
大约有三分之二的人会谎称他们读过自己没看过的书。
According to most calculations, race walkers moving at a pace of six miles per hour would burn about 800 calories per hour, which is approximately twice as many as they would burn walking, although fewer than running, which would probably burn about 1,000 or more calories per hour.
根据大多数计算结果，竞走者以每小时6英里的速度前进时，每小时会燃烧大约800卡路里，尽管比跑步时燃烧的热量要少，但这大约是他们走路时燃烧热量的两倍，跑步时每小时可能会燃烧大约1000卡路里或更多。
According to van Wolferen, the postwar Japanese have a collective blind spot, a mental "forbidden zone" about Japanese history from approximately 1920 to 1945.
依据范沃尔弗伦所述，战后日本人有一个集体盲点，一个对日本大约1920年至1945年之间历史的思维禁区。
Subjects in both groups were evaluated for depressionat the start of the study, at about 14 weeks into the study, and finally at approximately 42 weeks after the study had begun.
两组被试在研究开始时进行抑郁评估，在大约研究的第14周及最后在研究开始后的大约42周进行评估。
Census takers will have a flashcard containing a sentence about the 2010 Census written in approximately 50 languages.
2010年的人口普查，调查员们会携带着抽认卡，上面包括将近50种语言。
According to the 2001 census, slums now account for about 25% of all housing in our cities; approximately 26% of households in India's cities don't have access to sanitation facilities.
根据2001年的普查，贫民窟在我们城市的所有住所中占据约25%；印度城市中大约26%的家庭没有卫生设施。
This comes out to about 2 blogs in every second or approximately one-fifth of the number of new babies born everyday.
算起来就是每秒钟有2个博客，大约相当于每天新生婴儿总数的五分之一。
After 15 years of diabetes, approximately 2% of people become blind, and about 10% develop severe visual impairment.
患糖尿病15年后，大约有2%的患者失明，10%左右的患者视力严重减退。
Approximately forty participants became members of the working group, representing about twenty-five different companies, along with a W3C staff member to provide logistical support.
大约40位参加者都成为了该工作组的成员，代表了大约25家不同的公司，与W3C的工作人员一起提供后勤支持。
Conventional cotton farming USES only about 3% of the farmland but consumes approximately 25% of the chemical pesticides and fertilizers, and if you want it, you can get it organic.
传统的棉花种植使用的耕地只有约3%，但消耗大约25%的化学农药和化肥，如果你想要有机衣物，你就能得到有机无农药的。
So within a window of 10 hours per day, there will be approximately 60 MB of activity, at a rate from about 6 MB per hour to a maximum of 8 MB per hour.
因此在每天10小时的窗口中，大约有60MB 的活动，速度是每小时6 MB到每小时8 MB。
NIA estimates that over the past 30 days, JP Morgan has covered approximately 4,000 silver contracts, which has corresponded with about a $4 per ounce upward move in the price of silver.
NIA估计在过去的30天里，JP摩根已经平仓了大约4000份白银合约，这些合约将使白银的价格上涨4美元每盎司。
At approximately 7pm local time, on Friday the 14th of February, 2003, the School of Turin were about to perform the largest diamond heist the world has ever seen.
2003年2月14日当地时间约7点钟，为了实施有史以来最大的钻石盗窃案，都灵学派（theSchoolof Turin）已准备就绪。
With Lotus Domino 8.5.1, we enabled document compression on the mail databases, which reduced their size from about 250 MB to approximately 170 MB.
利用LotusDomino8.5.1，我们在邮件数据库中启动文档压缩功能，这就将所需空间从250MB减少到大约170 MB。
So half the track is about 2.5meters, so the angle theta maximum - is approximately 2.5 meters-- - which is half the length of the track-- 115- divided by 115 and that is an extremely small angle.
它的一半是2。5米，因此角度θ的最大值,大约是2。5米-,也就是轨道的一半-,除以5,它实在是个小角度。
If you want to describe something approximately, you can use About，e.g.
如果你想要做大致的描述，你可以用About（大约）,例如:About 15 RMB（大约15元）;
We got a chance to look closer at the interesting finding… They are approximately of the same size - about one meter in the diameter and in the height as well.
现在，我们有机会与这个有趣的发现进行近距离的接触……它们都近似于同一型号——直径、高度均有一米左右。
While approximately half of Americans buy at least one lottery ticket at some point, the vast majority of tickets are purchased by about 20 percent of the population.
尽管至少有一半美国人偶尔会买上一张彩票，绝大多数的彩票是由大约20%的人口所购买的。
That model estimated that uranium and thorium (together) accounted for about 16 terawatts of the approximately 44 terawatts of heat produced by the Earth.
该模型估计，铀和钍(一起)产生占地球产生的约44太瓦热量中的16太瓦。
Transmission would take approximately 9600 seconds or about 2 hours and 40 minutes.
传输大约需要9600秒或约2小时40分钟。
There are about a thousand fish of different species in the aquarium, which is approximately 50 metres long.
长达50米的水族箱里养着上千种不同种类的鱼。
Approximately 69% of the city's buildings were completely destroyed, and about 7% severely damaged.
大约69%的城市建筑被彻底摧毁，7%严重损坏。
A mountain lay at its center, probably about 1500 meters in height until approximately 1500 BC.
大约在公元前1500年，一座山位于它的中心，很可能大约有1500米高。
A mountain lay at its center, probably about 1500 meters in height until approximately 1500 BC.
大约在公元前1500年，一座山位于它的中心，很可能大约有1500米高。
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