The rules of the road would be a result of this careful calibration, tested constantly by the forces of supply and demand.

道路规则可能就是这种仔细衡量的结果，并不断受到供需力量的测试。

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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.

自从GM和其他公司在上世纪九十年代切断了他们项目的电源，跑了四十英里之后的电力汽车总像路测的电池一样，毫无生气。

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The Raspberry Pi was recently road tested with pupils at a Chesterton Community College in the U.K. and allowed kids to program their own version of the old-fashioned Snake game, made famous on those early, Nokia phones.

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My staff and I road-tested numerous chartist tools to see if they were valid in the real world--they included trend lines, resistance and oscillators.

FORBES: Uncharted territory

This is largely because cars are never actually tested out on the road, but rather in a laboratory under strictly controlled conditions that are designed to simulate city and highway.

FORBES: Hyundai And Kia's 'MPG Gate' Fallout