stationary core rod 固定芯棒
stationary mold core pulling 定模抽芯
The electrical device used on the axle of a spool or reel to provide electrical continuity between the rotating reel core and the stationary reel chassis.
在卷轴或卷筒的轴上所用的电装置。它用来在旋转的卷筒心子与固定的卷筒架之间提供电气连接。
However, the spontaneous EEG signals are very weak, noisy, and non-stationary signal, so efficient methods of EEG analysis is the core of BCI system.
然而，自发脑电信号非常弱，噪声大，而且是非平稳信号，因此合适的脑电信号分析研究方法是BCI系统的核心内容。
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