Their third study was a true experiment: Research participants were given either $5 or $20 and instructed to spend the money either on themselves or on others.

这是一项真人实验：试验者每人分得5到20美元不等，他们遵循指导，或自己花掉，或花在别人身上。

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The ATR function should be evaluated through the experiment data, but obtaining the true experiment data demands a great deal of outfield experiment, so it is limited.

自动目标识别(atr)的性能需要在实验数据基础上比较评价，但是获取真实的实验数据需要大量的外场试验，因而是有限的。

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Mel Gibson stars as a daredevil Air Corps pilot in 1939 who volunteers for a cryogenics experiment after his true love (Isabel Glasser) enters a seemingly irreversible coma.

NEWYORKER: Forever Young

While the Navy has used drones before for mine clearing and other defensive tasks, the small boat (similar to that pictured above) is the first experiment to involve true offensive capabilities.

ENGADGET: US Navy tests first 11-meter missile-firing sea drone (video)

The potential of social media is intriguing, but to determine its true value, companies will need to experiment.

FORBES: Click Here for a Social Media ROI