Such diffusion process is often affected by the mechanical stresses in the solid.

通常这样的扩散过程是受到固体里面内应力的影响。

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The mechanism is not well understood but appears to be related to loss of gravitational and other mechanical stresses on the bone.

该机制没有得到很好的理解，但似乎是有关损失的引力和其他机械应力对骨。

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Subsequent mechanical stresses in the branches determine where new branches will begin to develop and, in turn, produce their own signaling molecules.

随后作用于分支结构的机械应力决定了新分支进行发育的起始位点，反过来，分支自身又能产生信号分子。

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The kind of forces and mechanical stresses put on those turbines is incredible.

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Sceptical of mechanical explanations, Mr Paxton throughout stresses the role of luck and human choice.

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