... pulsation welding 脉冲接触焊 pulsative oscillation 脉动振荡 pulsator pQl`seItE(r), `pQls- n. 震动器, 搅拌器 ...
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在超声速或高超声速绕流中，一种很严重的脉动压力环境是由激波边界层相互作用引起的激波振荡。
One of the more severe fluctuating pressure environments encountered in supersonic or hypersonic flows is the shock wave oscillation driven by interaction of a shock wave with boundary layer.
全液压调速系统的油压容易产生脉动，如果油压脉动的频率与电力系统固有频率接近时也可能引发电力系统共振机理的低频振荡。
If the frequency of oil-pressure pulsation is near to power system natural oscillations frequency, power system low frequency oscillations of resonance mechanism can be induced.
在仿真中采用详细的汽轮机压力功率模型，着重研究了汽轮机蒸汽压力脉动与电力系统发生共振振荡的关系。
The detailed pressure-power model of turbine is adopted in simulation, and then the relationships between turbo-pressure pulsation and power system forced oscillations are studied in particular.
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