•11 个月
你认为哪种类型的风筝最好，为什么？
你们为什么认为一种风筝比另一种更好？为什么你们偏好这种？
你们为什么认为一种风筝比另一种更好？为什么你们偏好这种？
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The front profile should have a V-shaped, so that the air streams flow around it and stabilize it in case it tilts to the sides. Contrary to appearances, the lifting surfaces of the kite should not be taut, to create such "grooves" for the flow of air streams.
The front profile should have a V-shaped, so that the air streams flow around it and stabilize it in case it tilts to the sides. Contrary to appearances, the lifting surfaces of the kite should not be taut, to create such "grooves" for the flow of air streams.
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