Active noise control experiments were performed in both a semi-anechoic chamber and an ordinary room.
本文分别在半消声室和普通房间进行有源消声实验。
Control device is one of the key problems on landing gear semi-active control.
起落架半主动控制的核心问题之一是对其控制执行元件的研究。
Control device is one of the key problems on landing gear semi-active control.
起落架半主动控制的核心问题之一是对其控制执行元件的研究。
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