CROWS是美国陆军机动车项目的武器站联合采购方案。
CROWS is a joint acquisition programme for weapon stations for the US Army's vehicle programmes.
今年美国收获的玉米将有近三分之一，也就是世界产量的12%，会分流到机动车用乙醇生产中。
Almost a third of the US corn harvest will be diverted into ethanol for motors this year, or 12pc of the global crop.
目前中国每千人保有的机动车数量只有25辆，其中小轿车8辆，这大约是美国1915年的水平。
China now has about 25 vehicles — and fewer than seven cars — for every thousand people, roughly the same level as the U.S. had in 1915.
2008年，作为防止机动车超速的举措之一，美国费城最先将视觉幻象用作减速装置。
The use of optical illusions as speed breakers was first pioneered in the American city of Philadelphia in 2008, as part of a campaign against speeding motorists.
在美国，在线汽车租赁遇到了很大的挑战，低人口密度和低机动车复位率(没有人将那些使用过的汽车归回原位)导致网站利用率很低。
Zipcar has had challenges in the us - a low utilisation rate caused by low population density and vehicle dislocation [sending someone to retrieve the car is a problem].
城市专家们估计，在当今美国每一辆机动车有八个停车位。
City gurus estimate there are eight parking spots for every vehicle in the u.
在任何一年，都会有1万5千名美国行人被机动车撞死。
In any given year, some 15,000 American pedestrians are killed by motor-vehicles.
在任何一年，都会有1万5千名美国行人被机动车撞死。
In any given year, some 15,000 American pedestrians are killed by motor-vehicles.
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