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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Medium and high coverage of vegetation in the landscape tend to simplify and stabilize, the complexity of the overall shape is reducing small, the degree of the boundary trace complex fold.

中等和高覆盖度植被景观形状趋于简单化和稳定化，景观整体形状复杂程度在减小，边界褶皱程度有微量复杂化；

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East complex terrain, a steep slope, numerous islands, is the fold of the seabed Proterozoic sedimentary rocks and too ancient crystalline rock.

东部地形复杂，坡度较陡，岛屿众多，海底是褶皱的元古代沉积岩和太古代结晶岩。

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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