短語詞組短語Sine pulse -duration modulation 正弦脈寬調(diào)制pulse -duration modulation-frequency modulation 脈沖期間調(diào)制頻率調(diào)制英語;翻譯PWM pulse -duration modulation technology PWM脈寬調(diào)制技術(shù)pulse duration modulation -frequency modulation 脈沖持續(xù)時間調(diào)制調(diào)頻 返回 pulse duration modulation