pulsive noise 脉冲性噪声
epidemic dynamics with pulsive vaccination 传染病脉冲免疫接种模型
driving , intruded
In the paper, we have done theoretical studies of sound radiated from the submerged exhaust exit when a diesel engine discharges pulsive exhaust gas into water.
从流体力学的基本方程出发，根据水下排气管口流动状态的观察，推导了柴油机水下排气管口辐射噪声与管口处气体流动参数之间的理论关系。
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