A group of experiments show that the increasing of hot end length will increase cooling down time, cold tip temperature and hot end temperature evidently, but pressure ratio will decreases.

通过一组实验研究了脉冲管热端长度对性能的影响，包括脉冲管热端温度、冷端温度、降温时间、压比。

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Although he and his colleagues have tested only a small group of subjects, the results are so far falling in line with previous experiments.

虽然，到目前为止，他和他的同事只对小部分的实验对象做了测试，但实验结果跟之前的实验一样符合预期。

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The research consisted of seven experiments, some split into two parts, each with a group of between 20 and 57 people aged 19 to 22 years old.

这项研究由七个实验组成，一些实验会分成两个部分，每个部分由19到22岁的20到57个人的小组来完成。

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When we do experiments, each group of three has an experimental setup to measure the phenomenon.

当我们做实验的时候，每个三人小组建立实验设备,来测量观察的现象。

麻省理工公开课 - 媒体、教育、市场课程节选

Indeed, a group of researchers hoping to conduct more experiments on ocean fertilisation was recently ordered to stop by the German government.

ECONOMIST: Geo-engineering

Kraftwerk's retrospective at the Tate, dubbed The Catalogue, is described as a "chronological exploration" of the reclusive group's "sonic experiments".

BBC: Kraftwerk kick off Tate Modern retrospective

The Tate described the shows as a "chronological exploration of the group's sonic and visual experiments" and promised "spectacular 3D effects".

BBC: Kraftwerk to play shows in Tate Modern's Turbine Hall