The parts with small size and complex fold are always to be the difficulties during the die design.

尺寸小折弯复杂的零件一直都是模具设计中的难点。

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The study area is located in the east of Yinshan with complex structure, joined the Neocathaysian structural system Daxing'anling fold belt at bump contact.

研究区位于阴山东西向复杂构造带的东段，是与新华夏构造体系大兴安岭褶皱带交接的隆起部位，这种构造为热水的形成、运移奠定了良好的地质环境。

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It was conceived primarily in section, with an incredibly complex series of surfaces that gently curve and fold into a navigable, inhabitable architectural topography.

建筑的最初构思基于建筑立面一组微曲表面材料非常复杂组合，形成了一个可航行、可居住的建筑形态。

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Better spatial visualization is a must for dozens of professions: surgeons training for arthroscopic procedures, drug researchers modeling how complex proteins fold in upon themselves, petroleum geologists mapping miles-deep oilfields.

FORBES: Adventures in the Third Dimension

Complex fusions increased 15-fold among Medicare beneficiaries with spinal stenosis from 2002 to 2007, according to the JAMA study.

WSJ: Top Spine Surgeons Reap Royalties, Medicare Bounty

Researchers in the US are also working on a shape-shifting device that uses magnets to mimic molecules that fold themselves into complex shapes.

BBC: Future tech: Smart fabrics and other forecasts