If this load centroid is behind the elastic axis of the wing structure, then a nose-down twist of the main wing surface results.
如果该载荷重心在机翼结构弹性轴之后，则引起主机翼表面前端向下的扭转。
The torsion reduces the effectual attack angle of the elastic sweep wing.
有效迎角的减小又使得弹性机翼的有效气动力载荷减小。
The fuselage and the wing which are made of thermoplastics are elastic and durable.
机身和机翼用热塑料制成，富有弹性，并且耐用；
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