The thickness ratio appeared to have little effect on lift coefficient at zero angle of attack, since the angle of zero lift was largely determined by the airfoil camber.是什么意思_The thickness ratio appeared to have little effect on lift coefficient at zero angle of attack, since the angle of zero lift was largely determined by the airfoil camber.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句