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“You hold the wing up against the light, so you can see the veins,” said study co-author Daniel Janzen, an evolutionary ecologist at the University of Pennsylvania.

“如果你把昆虫的翅膀举起来对着光线，那么你就能很清晰地看到里面的脉络，”学术合著人，宾夕法尼亚大学的生物进化学家Daniel Janzen如是说。

youdao

“You hold the wing up against the light, so you can see the veins, ” said study co-author Daniel Janzen, an evolutionary ecologist at the University of Pennsylvania.

“如果你把昆虫的翅膀举起来对着光线，那么你就能很清晰地看到里面的脉络，”学术合著人，宾夕法尼亚大学的生物进化学家Daniel Janzen如是说。

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So it is hard to build software that will predict how, for example, the wing will maintain its hold on the fuselage during flight.

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