短語詞組短語oscillation E frequency 振蕩頻率oscillation -frequency stability 頻率穩(wěn)定度oscillation U frequency 振蕩頻率bubble oscillation frequency 氣泡振蕩頻率natural oscillation frequency 固有振蕩頻率mold oscillation frequency 結(jié)晶豈動頻率overtone oscillation frequency 泛音振蕩頻率Output oscillation frequency 輸出振蕩頻率 返回 oscillation frequency