The European Union's level of international co-authorship is about twice that of the United States, Japan, and India.
欧盟的国际合作程度大约是美国、日本和印度的两倍。
This impact released an enormous amount of energy, excavating a crater about twice as large as the lunar crater Tycho.
这次撞击释放了大量的能量，挖出了一个大约有月球上的第谷陨石坑两倍大的陨石坑。
Plants that burn coal produce about twice as much carbon dioxide as generators using gas.
与发电机使用天然气相比，燃煤电厂烧煤所产生的二氧化碳是前者的两倍。
Air temperatures in the Arctic are rising about twice as fast as in the rest of the world.
北极的气温上升比世界其他地区大约快一倍。
The seabed in question is 740000 sq km in size, about twice as large as Japan's land area.
争议海底面积达74万平方公里，相当于日本陆地面积的两倍。
In much of the OECD youth-unemployment rates are about twice those for the population as a whole.
大部分经济合作与发展组织会员国的青年失业率大约是所有会员国人口加在一起时的两倍。
At Matsuei I met a Peruvian of Japanese descent who used to stop in for sushi about twice a year.
在Matsuei时，我认识了一位日本裔的秘鲁人，他一年来两次寿司店。
Curiosity is about twice as long and more than five times as heavy as any previous Mars rover.
好奇号的长度是之前火星探测器的两倍，重量则超出了四倍多。
The strength of the sun's magnetic field is typically only about twice as strong as Earth's field.
太阳的典型磁场强度只有地球磁场强度的2倍。
Urinary incontinence is about twice as common in women than men, and its likelihood rises with age.
尿失禁发生在女性身上是发生在男性身上的大约两倍，并随着年龄的增加可能性上升。
High-speed rail train runs at over 250 km per hour, about twice the normal speed of a regular train.
高铁运行的速度超过每小时250公里，大约是普通列车正常运行速度的两倍。
BYD claims that the e6 has a range of 300km (186 miles), which is about twice that of Nissan's Leaf.
比亚迪声称e6型车的行驶里程是尼桑聆风型电动汽车的一倍，到达300公里(约合186英里)。
It is about the size of Jupiter, but 20 times that planet's mass, making it about twice as dense as lead.
它大约和木星一样大，但是却是木星质量的20倍，这使它有铅密度的两倍。
Smokers are about twice as likely to get the lung infection and die from it, compared with non-smokers.
相较而言，吸烟者得肺部感染以及死于肺结核的可能性大约是不吸烟者的两倍。
The Commerce Department says retail sales rose 0.6 percent in June, about twice what economists had expected.
商务部说，六月份美国零售额增长0.6%，几乎是经济学家预期增长率的两倍。
His asthma attacks have become less frequent, from once every three or four months to only about twice a year.
他的哮喘发作次数越来越少，从以前每三、四个月一次，减少到一年仅约两次。
On average, FiOS customers pay a monthly bill of $135, about twice the bill for the average Verizon customer.
FiOS用户平均每月账单为135美元，是Verizon用户平均账单的两倍。
Glenn Cook, director of staffing for the aerospace company, says it will hire about twice that many next year.
一位这个航天公司的人事主任格伦·库克说道，明年雇佣的员工将比今年多一倍。
Its gravity is about twice as strong as Earth's, and it receives significant doses of radiation from its star.
他的重力是地球的两倍，接受到恒星的射线量也相当大。
Ashleigh, 22, from Downpatrick, says ‘My favourites are pizza and frozen meals which I have about twice a week.’
唐帕特里克（Downpatrick）22岁的艾施利（Ashleigh）说：“我最爱吃比萨和冻肉，基本上一星期吃两次。”
Even though I was technically about twice as productive as the average office worker, I was still disturbed by the results.
即使在技术上看来我的效率已是上班族均值的两倍，我仍为这个结果懊恼。
The older participants also spent about twice as much time on the sidewalk as the younger subjects did before crossing.
而且，中老年组花在过马路之前站在人行道的时间几乎是年轻组的两倍。
The other data binding frameworks take about twice as long, with Quick the slowest of all (no pun intended, of course).
其它数据绑定框架都花费了约两倍的时间，Quick是所有框架中最慢的(当然，不是故意在说双关语)。
Overall, Metro is about 25 percent faster than CXF in the small-response test series, and about twice as fast as Axis2.
总的来说，Metro在这个小响应系列中比CXF快25%，是Axis2的两倍。
A century ago, when Banks could fail, they carried equity buffers of about twice today's levels in order to reassure customers.
在一个世纪以前，当很多银行可能破产的时候，他们通过发行两倍于今天水平的平准股票来稳住投资者。
An object big enough to kill off a substantial portion of the earth's population only hits earth about twice every million years.
一个足够大的天体只要它平均每100万年撞击地球两次就足以摧毁一大部分地球上的人口。
During Harvard's earlier traditional Morning Exercises, about twice that number witnessed Rowling receive one of 10 honorary degrees.
在哈佛传统的早间活动中，大约4万人目睹罗琳获得10项荣誉学位。
During Harvard's earlier traditional Morning Exercises, about twice that number witnessed Rowling receive one of 10 honorary degrees.
在哈佛传统的早间活动中，大约4万人目睹罗琳获得10项荣誉学位。
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