Hence, the method of vortex control is available for removing swirl, decreasing total pressure loss, and improving flow field in S-shaped intake.

因此，抽气形式的有源涡控是抑制旋流、减少出口总压平均损失、改善S弯进气道出口流场的有效措施。

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They also discovered that restricting salt intake can help control blood pressure and make it easier for patients to get down to a proper dry-weight.

他们还发现，限制食盐摄入量有助于控制血压，使病人更容易达到一个适当的干体重。

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Designing a resistance muffler with high anechoic performance and low pressure loss has become an important subject on intake and exhaust noise control.

设计高消声性能、低压力损失的抗性消声器已成为目前进排气噪声控制的重要课题。

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