以下为句子列表:
英文: Boeing wants to use existing wing and tail control surfaces that shift up and down about 20 degrees in a coordinated fashion to disrupt the vortical flow.
中文: 波音公司则利用现成的机翼与机尾控制面,让它们互相协调、上下移动20度,以扰乱涡流。
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英文: This is a highly tricky exercise because vortical flow fields act in a complicated (what scientists call nonlinear) manner, making prediction difficult.
中文: 这可难了,因为涡流场的变化模式非常复杂(就是科学家所说的非线性变化),难以预测。
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