low-noise characteristic
... 回声规迹 echo tracing 低噪声特性曲线 low-noise characteristic 噪声标准据曲线 noise criterion curve ...
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在分析现有定子曲线特性的基础上，得出了一种具有较好综合性能的低噪声定子曲线，可为高性能叶片泵的设计提供参考。
On the base of analysing the properties of existing stator curves, a low noise stator curve with better features was suggested in this paper, which could be applied to design high quality vane pumps.
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