Group size and feedback information had little effect on the game behavior. Protocol analysis partially supported our social rationality explanation of the group size effect on dilemma behavior.

群体规模和反馈方式对人们的对策行为影响不显著，但是，进一步的定性分析部分支持了群体规模的社会理性解释。

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Now physicists have shown that the size of a country's executive cabinet appears to be linked to that country's overall efficiency, and they have found a possible mathematical explanation.

当代物理学家发现，一国的行政内阁规模似乎与该国的整体效能有关，他们已经发现一个可能的数学上的解释。

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Based on the explanation, a model for size-independent fracture energy is provided by introducing a concept of local fracture energy.

并以此为基础，通过引入局部断裂能的概念，推导出与尺寸无关的混凝土断裂能表达式。

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