The key reason for the improved performance are the pairs of counterrotating swirls created at either side of the leading-edge bumps, called tubercles.
隆起前缘能增进性能
关键理由，是因为在这些隆起节瘤两侧，
产生成
反
旋转涡流。
旋转
转The key reason for the improved performance are the pairs of counterrotating swirls created at either side of the leading-edge bumps, called tubercles.
隆起前缘能增进性能关键理由，是因为在这些隆起节瘤两侧，产生成反旋转涡流。
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