However, in the case of non-zero attack angle, the flat box deck becomes bluff, the variation of its flutter critical wind speed is accordingly undulant as the wind yaw angle increases, and the lowest value will occur generally under skew wind.是什么意思_However, in the case of non-zero attack angle, the flat box deck becomes bluff, the variation of its flutter critical wind speed is accordingly undulant as the wind yaw angle increases, and the lowest value will occur generally under skew wind.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句