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飞机在2阵连续风下的轨迹:第1段 \vec v_1 = (200, 100) ,第2段 \vec v_2 = (300, -50) 。每段时间:1小时。终点位置?
飞机在2阵连续风下的轨迹:第1段 \vec v_1 = (200, 100) ,第2段 \vec v_2 = (300, -50) 。每段时间:1小时。终点位置?
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