等幅波continuous wave;undamped wave详细»
等幅波continuous wave;non attenuating wave;sustained wave详细»
等幅波continuous wave;persistent wave;sustained wave;undamped wave详细»
等幅波constant wave;non attenuating wave;persistent waves;unattenuating wave;undamped wave详细»
等幅波continuous wave;non-attenuating wave;persistent wave;sustained wave详细»
等幅波non attenuating wave;undamped wave详细»