It has a great significance in production of part with little curvature big contour, such as wings of plane, it enhance the productivity and level of craftwork.

它在具有小曲率大曲面的零件制造上有十分重大意义，比如机翼的制造，它将提高生产率和工艺水平。

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The longer-lived animals are also the smarter ones, or the bigger ones, or the ones like birds and bats that evolved adaptations such as wings to make their lives safer.

如果你能够通过飞行，或变得更聪明，或体型更大，来使避开外界危险的时间更长一些的话，那么躯体就会相应地变得不可抛弃一些，它会把更多的能量用在修复功能上。

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Vestiges such as the stumpy wings of flightless birds, and the hairs that prickle on human skin, are further testimony to our shared origins.

像不能飞行的鸟类的株状的翅膀，还有人类皮肤的毛发，这些都是我们有共同的祖先的证据。

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Just be sure to remove all the hard parts, such as wings and legs, before you use the adults.

NPR: The Cicadas Are Coming!

Girls in the postwar era had grown up reading books such as Julie with Wings, in which beautiful and spunky young women beat out the massive competition to become flight attendants.

NPR: Excerpt: 'When Everything Changed'

Vestiges such as the stumpy wings of flightless birds, and the hairs that prickle on human skin just like the rising hackles on furry mammals, are further testimony to our shared origins.

ECONOMIST: The evidence for evolution