所以阿特沃特和艾登为了效率设计了有许多不同的长度的结构：尖头宽底的楔子形状。

So Atwater and Aydin designed structures that effectively have many different lengths: wedge shapes with pointy tips and wide bases.

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埃弗雷特·沃特斯、朱迪思·威颇曼和艾伦发现依恋的孩子们在他们三岁半的时候对他们的同事极有同情心。

Everett Waters, Judith Wippman and Alan Sroufe found securely attached children had sympathy toward their peers by the time they were three and a half years old.

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艾登和阿特沃特现在就是在研究如何改进。

Aydin and Atwater are now doing just that.

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