在八年的时间里，科学家们要求同一组人每18个月回到实验室进行同样的测试。

For eight years, the scientists asked the same group to come back to the lab every 18 months to take the same sorts of tests.

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该合同要求建立一个实验室的环境，来设计和测试跨网域的解决方案及在解决方案方面促成合作。

The contract also calls for the creation of a lab environment in which to design and test cross-domain solutions and facilitate collaboration to generate interest in those solutions.

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她要求测试者在实验室做二十个左右的简单测试，比如字谜和连珠游戏（蔡加尼克，1927）。

She asked participants to do twenty or so simple little tasks in the lab, like solving puzzles and stringing beads (Zeigarnik, 1927).

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