短語詞組短語power system frequency deviation 電力系統(tǒng)頻率power system frequency measurement 電網(wǎng)頻率測量Power System Dynamics Frequency 電力系統(tǒng)頻率動態(tài)過程measuring power system frequency 電網(wǎng)頻率測量power system low frequency oscillations 電力系統(tǒng)低頻振蕩power system frequency track ing 電力系統(tǒng)頻率跟蹤power system low frequency oscillation 電力系統(tǒng)低頻振蕩power system primary frequency control 電力系統(tǒng)一次調(diào)頻electric power system dynamic frequency 電力系統(tǒng)動態(tài)頻率 返回 power system frequency