A system which allows psychologists to track people's emotional behaviour through their phones has been successfully road-tested by scientists.
一个使得心理学家通过自己的手机来跟踪人们情绪行为的系统，已通过科学家成功的道路测试。
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Since GM and others pulled the plug on their programs in the 1990s, electric cars have remained pretty much as dead as a road-tested battery after 40 miles.
Cameron shot Avatar on his own patented Fusion Camera System, blending live action with the sort of performance capture technology previously road-tested on the likes of Beowulf.
卡梅隆使用自己发明的实时摄影系统(Fusion Camera System)拍摄了这部影片，这一系统融合了实时动作与表演撷取技术——之前在《贝奥武夫》这类电影中已经出现过这种技术的身影。