... pulse Fourier transform NMR spectroscope,脉冲傅里叶变换核磁共振波谱仪 pulse frequency modulation control system,脉冲调频控制系统 instrument,脉冲调频式磁带记录强震仪 ...
双语例句
1
A novel drive system with high frequency AC pulse density modulation for electric vehicles is proposed, and its operation principle and control method are studied in detail.