汽车消耗了美国一半的石油，导致了美国约半数的城市污染和四分之一的温室气体。
Cars account for half the oil consumed in the U.S., about half the urban pollution and one fourth the greenhouse gases.
汽车耗油量占美国石油消耗量的一半。
因为供应过剩和需求下降，煤炭价格也很低，尤其是消耗了全球一半煤炭的中国的需求下降。
Coal prices also are low, owing to over-supply and the scaling-down of demand, especially from China, which burns half of the world's coal.
这是有问题的，因为小麦和大米作为食物时更为重要，约占卡路里消耗总量的一半。
This is problematic because wheat and rice are more important as foods, accounting for around half of all calories consumed.
煤炭价格也很低，原因是供应过剩和需求下降，尤其是来自中国的需求，中国消耗了全球一半的煤炭。
Coal prices also are low, owing to oversupply and the scaling-down of demand, especially from China, which bums half of the world's coal.
每个人都认为，能量消耗占一半的家庭和办公场所应该更加采取节约措施。
Everyone thinks households and offices, which account for half of energy consumption, should conserve more.
一点也不奇怪的是，驾驶大型半拖车需要很高的技术，并且消耗大量柴油。
Not surprisingly the big semi-trailers take skill to handle-and they consume a lot of diesel.
据这个小组说，到了2024年，我们星球的计算机每年消耗的数据量将可以建造一堆足以到达下一颗星球- 4.37光年之外的半人马座阿尔法星-的书了。
By 2024, say the team, our planet's computers will be getting through enough data every year to build a stack of books as far as the next star, Alpha Centauri, 4.37 light years away.
但是航空业已经给自己下了一个严格的目标到2020年燃油消耗量下降50%并减少一半的二氧化碳排放量。
But the aviation industry has set itself a tough target: a 50% reduction in fuel consumption by 2020, to cut CO2 emissions in half.
报告还透露，英国食品的一半食品车辆里程消耗在开车到商店再从商店返回的途中。
And it transpires that half the food-vehicle miles associated with British food are travelled by cars driving to and from the shops.
这对欧洲的奶农来说打击尤其严重，因为奶酪生产要消耗欧洲近一半的牛奶。
This is especially painful to EU farmers since cheese-making consumes nearly half of all European milk.
地底下还是有很多的石油（我们目前已经消耗了地球一半的原油储备），但原油的终结可能是好几十年之外的事情，但它的开端已经开始了。
There is lots of oil still in the ground (we’ve used about half of the planet’s generous endowment), but while the end of oil may be many decades away, the beginning of the end is now.
标准的台式机仅消耗它耗费能源的一半。
A typical desktop PC wastes nearly half the power it consumes.
世界上消耗最大的土壤一些在非洲，土壤中的有机物含量不到1%，这不到良好生产含量的一半。
Africa has some of the most exhausted soils in the world, with less than 1% of organic matter in them, half the level required for good fertility.
而此时你只会喝下原先那种咖啡一半的糖分以及更容易被消耗掉的270卡路里。
Suddenly, you're looking at nearly half as much sugar and a far more digestible 270 calories.
中国主要依靠煤炭来满足能源需求，而中国石油的消耗量不到美国的一半。
China relies primarily on coal for its power, and only less than half of the amount of the oil that U.S. does.
IBM估计，在一些数据中心，一半的电能消耗在了制冷设备上。
IBM reckons that in some centres about half of all the electricity consumed is spent cooling equipment.
例如，美国消耗的稍稍超过一半的能源被用在建筑物上面了：12%用于建造，而39%用于制热、制冷以及照明了。
For instance, slightly more than half of the energy consumed in the United States goes to buildings: 12 percent for constructing them, and 39 percent for heating, cooling, and lighting them.
尽管有许多限制，两组设计团队仍推出了能满足业界实际需求，并能减少一半燃料消耗的飞机设计。
Despite all these restrictions, two groups working on the future of aircraft have come up with designs that could meet the practical needs of the industry and still cut fuel consumption by half.
在萨尔瓦多，穷人消耗的食物是他们一年前的一半。
In El Salvador the poor are eating only half as much food as they were a year ago.
被消耗的能量(与鸟和飞机的速度相加的平方成正比)将大约是半吨的重物落下十英尺。
The energy to be dissipated (proportional to the square of the combined speed of bird and plane) would be more like half a ton being dropped ten feet.
因此，保持巡航速度消耗的燃料大约一半都是用于克服紊流产生的阻力。
As a result, roughly half the fuel required to maintain a level cruise is being burned to overcome the drag imposed by a turbulent boundary layer.
这条管道预计在2012年至2013年间达到最大通气能力，年输气量将达400亿立方米，超过中国目前年天然气消耗量的一半。
Once it reaches full capacity between 2012 and 2013, it will be able to deliver 40 billion cubic meters of gas each year. That is more than half of China's current annual gas consumption.
公平地讲，RuntimeSpy增加了开销，尤其是当需要捕获栈记录时，所以从半热态启动 (warm start) 时，实际上不加修正 (uninstrumented) 消耗的总的时间接近37秒。
In all fairness, the Runtime Spy adds overhead, especially if stack traces are captured, so true uninstrumented elapsed time is closer to 37 seconds overall from a warm start.
公平地讲，RuntimeSpy增加了开销，尤其是当需要捕获栈记录时，所以从半热态启动 (warm start) 时，实际上不加修正 (uninstrumented) 消耗的总的时间接近37秒。
In all fairness, the Runtime Spy adds overhead, especially if stack traces are captured, so true uninstrumented elapsed time is closer to 37 seconds overall from a warm start.
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