基本解釋[動力與電氣工程]上陞時間開關英漢例句雙語例句Meanwhile, PWM inverters using high switching frequency device that shortens the rise time of PWM output pulse have been widely applied in high-speed AC driving locomotive.同時,高速交流傳動機車廣泛採用高開關頻率器件的脈寬調(diào)制(PWM)逆變器,使得逆變器輸出脈沖具有陡上陞沿。rise-time switching更多例句專業(yè)釋義動力與電氣工程上陞時間開關