对扑翼的非定常流场，传统的定常涡格法已不再适用。
For the strongly unsteady characteristic of the flow field of flapping-wing, the traditional vortex lattice method is not more effective.
当扑翼在小迎角飞行时，机翼带翼刀可以有效地改善扑翼的气动特性。
When flapping-wing flight at small attack Angle, wing had wing-blade improve effectively aerodynamic characteristic of flapping-wing.
通过计算分析柔性扑翼的气动特性发现，控制适当的话，柔性变形能大大改善扑翼的气动性能。
By contrasting the computed aerodynamic force of flexible flapping-wing and rigid wing, it is found that if the flexibility is controlled suitable, it can enlarge the lift and thrust effectively.
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