“双极性脉宽调制”的概念、定义、翻译、参考文献-科学参考

单词	双极性脉宽调制
释义	双极性脉宽调制 Encyclopedia 工学电力电子控制技术释 bipolar pulse width modulation双极性脉宽调制在调制信号的半个周期内，载波不再是单极性的，而是有正有负，所得到的脉宽调制（pulse-width modulation;PWM）波形也是有正有负的控制方式。
随便看	Construction planning of Nanchang model city construction portfolio management construction problem construction procedure of urban rail transit construction construction process construction procurement model construction program management construction project construction project archives management construction project civil defense management legal relations construction project fire management legal relations construction project fixed assets investment construction project management construction project management methodology construction project phases construction project planning permit construction project preliminary examination of land use and permission note for location construction project quality management legal relations construction project quality monitoring unit construction quality construction quality management construction regulations construction robotics construction rule Construction Rules of Qing Dynasty

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。