Fuel cells have long promised pollution-free driving , but have been held back by their enormous cost when applied to a normal car .
燃料电池长期预示着无污染驾驶，但是当它被应用到一辆普通车上时，因其巨额的成本，举步维艰。
Likewise, automation should eventually boost productivity, stimulate demand by driving down prices, and free workers from hard, boring work.
同样，自动化最终应该提高生产力，通过降低价格来刺激需求，并把工人从繁重、乏味的工作中解脱出来。
I used free software to implement this entire architecture, with a 10-line (not counting white space and comments) batch file named build.bat driving the whole process.
我使用了免费软件来实现这整个架构，用一个10行的(不计算空白和注释)批文件build . bat驱动整个过程。
Virtual currencies in mobile games are a huge driving force for popularity of apps, with 35 percent of the top 300 free games in the Apple app Store using in-app purchases as their monetization model.
手机游戏中的虚拟货币是其大众化的巨大推动力，苹果应用商店最受欢迎前300名免费游戏有35%正是以程序内购买作为其货币化模式。
Giving a free ride to friends is different from driving around someone you don't even know.
让朋友搭便车和开车去接一个你根本不认识的人是完全不同的两码事。
For the multitasking portion of the experiment, researchers asked the volunteers to complete a verbal version of the memory test on a hands-free cell phone while driving in a simulator.
在实验的多任务部分，研究者要求志愿者在进行模拟驾驶的同时完成一项口头的非手持电话记忆测试。
The United States drives more than any other society, and the self-driving car provides the glorious possibility of a hands-free cross-country road trip.
美国比世界上任何其他国家更依赖于驾驶，自动驾驶汽车也许可以为一次让双手解放出来的横穿全国的公路之旅提供不错的可能性。
With better modes of transportation available, if you don’t have a pet, you are free to stick with taking the bus or driving a car.
有了更便捷的交通方式，如果你没有带宠物的话，你就会坚持坐公交车或者开私家车。
The same thing happens if you talk on a mobile phone while driving – even legally with a hands-free kit.
同样地，如果你一边打电话一边开车的话——即便是使用了免提设施。
In contrast, research has clearly shown an increased risk of road traffic injuries when drivers use mobile phones (either handheld or "hands-free") while driving.
相反，研究结果却清楚地表明，由于驾驶员驾车时使用移动电话(无论是手持还是“免提”)，发生道路交通伤害的危险会加大。
Let's view reading as if you are driving a car: if you're on a straight, well-maintained divided highway, feel free to speed up.
拿开车打比方，你可以在一条笔直通畅的高速路上自在提速。
LaHood has said it is never safe to talk on a cell phone while driving, hands-free or not, because it is a "cognitive distraction."
拉胡德表示，不论开不开免提，开车时使用手机从来没有安全一说，因为这种做法会造成“注意力分散”。
In economic systems, we have a large number of people moving around in a free market system, but instead of thermal energy driving the movement people are motivated by goals.
在经济体系中，我们有大量的人运行于一个自由市场体系中，有别于热能驱动，人们是由目标驱动的。
"Spirit of Berlin," another self-driving car developed by researchers at Berlin Free University, can be controlled using an iPhone app.
“柏林之魂”另一辆由柏林自由大学研究者们开发的无人驾驶汽车，能够用一个苹果手机的应用程序来控制。
Magnetic levitation micromotion stage is easy to realize micromotion with high resolution because a contact-free magnetic levitation technique is used between the moving plate and the driving part.
磁悬浮式微动工作台由于运动平台和驱动机构采用非接触式的磁悬浮驱动技术而易于实现大范围高精度的微运动。
Pau Gasol's driving layup and another pair of free throws by Bryant kept the Lakers ahead 87-82. Gasol finished with 14 points.
保罗·加索尔随后强打内线上篮得手，布莱恩特两罚全中，让湖人以87- 82领先，加索尔本场拿到了14分。
The testing results indicate that the hoisting time of driving device can meet the practical demands and the positioning mechanism of linear electric motor is free and reliable.
试验结果表明，驱动装置水平布置时，其提升时间满足实际要求；直线电机次级板定位机构动作灵敏可靠。
The new scheme might allow more driving hours but these extra hours do not come free.
新方案会让更多的驾驶小时但这些额外的时间来不是免费的。
He jerked the tiller free from the rudder and beat and chopped with it, holding it in both hands and driving it down again and again.
他把舵把从舵上猛地扭下，用它又打又砍，双手攥住了一次次朝下戳去。
The quad cam V6 urges you to seek out unrestrained roads and let your driving ambitions run free.
一款四凸轮V6发动机将驱使您寻找一条无拘无束的道路，让驾驶的雄心尽情释放。
The gait should be free, balanced and vigorous, with good reach in the forequarters and good driving power in the hindquarters.
步态舒展、平稳、有力，前躯伸展充分、后躯驱动有力。
According to different driving ways of vibration, the sectional model test methods can be classified into two major categories, i. e. free-vibration method and forced-vibration method.
按照振动驱动机制不同，节段模型试验方法可分为自由振动法和强迫振动法两大类。
The prime driving force adopting lead-free technology is the legislation and marketing advantage of green products.
环境法规及市场对绿色产品的需求，是采用无铅生产技术的主要动力。
Tomorrow's cars will be all-electric, self-driving, connected to high-speed communications networks … and free.
未来的汽车将是纯电动、自动驾驶，有高速网络相连……而且免费。
Tomorrow's cars will be all-electric, self-driving, connected to high-speed communications networks … and free.
未来的汽车将是纯电动、自动驾驶，有高速网络相连……而且免费。
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