low frequency

Animal experiment and clinical study showed that low frequency electric stimulation on pedunculopontine nucleus (PPN) could obviously reduce the akinesis of PG.

文章针核解剖、生理、神经纤维联系及其和帕金森病关系简要综述。

The high pass filter cuts the lowest frequencies. This cab be useful in rooms where low frecuencies are amplified and tend to be "boomy".

高通滤波器可以去除最低频率，低频放大，容易形成嗡嗡声房间，非常有帮助。

The low frequency acoustic design for an automobile body structure is very important to improve the carborne acoustic comfortability and to enhance the competitiveness for the car products in market.

车身结构低频声学设计以提高车辆乘坐声学舒适性为目，增强汽车产品市场竞争能力具有十分重要意义。