The NHTSA's exemptions mean the Transition can use the same tires it employed successfully during those 2009 air and road trials.
NHTSA给予的特别豁免意味着Transition可以使用在2009年应用成功的空陆两用轮胎。
A taxi cab that runs on the latest hydrogen fuel cell technology is being developed with the aim of being ready for full road trials in time for the 2012 Olympics.
这款应用最新氢燃料电池技术的计程车正在开发中，目标定为2012年奥运会以前全面进行道路试验。
Road in the distance, I still trials and hardships.
路在远方，我还在风雨兼程。
Road in the distance, I still trials and hardships.
路在远方，我还在风雨兼程。
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