It is difficult to calculate theoretically the exact distribution of the stress and strain because of the complex structure of landing gear.

由于起落架的结构比较复杂，很难通过理论计算得出准确的应力应变分布。

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Due to the complex structure of crank shaft, its stiffness varies in different angles, which results in the varying forced deformation error.

曲轴的结构复杂，不同角度下的刚度不同，受力变形也不相同。

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Due to the complex structure and large diameter of the RC silo of containing coal, it is impossible to analyze it with traditional design method.

大型预应力钢筋混凝土储煤筒仓结构新颖，受力复杂，其直径超出了筒仓规范规定，无法按常规设计方法对其进行结构计算。

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Why, then, should we not study the acquisition of a cognitive structure like language more or less as we study some complex bodily organ?

我们为什么不应当,像研究某些复杂身体器官那样,去或多或少地研究,像语言这样的认知结构的习得

耶鲁公开课 - 心理学导论课程节选

And the brain is a remarkably beautiful and complex structure involving cortex, the cortex has maybe over 50 billions neurons and each one is connected to a thousand others and so forth.

大脑的构造漂亮，复杂，让人惊叹,大脑有皮层，皮层中的神经元多大500亿之多,每个神经元都与数亿千计的其他神经元相连。

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He said that suggestions that the complex structure of the railways, in the wake of privatisation had made rail travel less safe, should be rejected.

BBC: Rail inquiry report due on Friday

Given the complex structure of Voynichese words, writing hundreds of pages of internally consistent gibberish would be a tough task for a fraudster to pull off.

ECONOMIST: A possible explanation for the world's most enigmatic book

"It was absolutely incredible to see this enormous space station, the most complex structure ever built, " Garan wrote.

MSN: Earth From Space: An Astronaut's Quest to Protect Our 'Fragile Oasis' - Technology & science - Space - Space.com | NBC News