“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	Shanxi Longxian Brachymystax lenok tsinlingensis National Nature Rreserve Shanxi Lueyang Valuable and Rare Aquatic Animals National Nature Reserve Shanxi Luya Shan National Nature Preserve Shanxi Mengxinnao Provincial Nature Reserve Shanxi Mian Shan Provincial Nature Reserve Shanxi Museum Shanxi Museum of Geology Shanxi Nature Museum Shanxi Niubeiliang National Nature Reserve Shanxi opera Shanxi opera music Shanxi Pangquangou National Nature Reserve Shanxi People’s Arts Theatre Shanxi Poly Grand Theatre Shanxi Province Art Museum Shanxi Provincial Archives Shanxi Provincial Library Shanxi Provincial Sports Museum Shanxi Publishing & Media Group Co.,Ltd Shanxi Qingmuchuan National Nature Reserve Shanxi Renzu Shan Provincial Nature Reserve Shanxi Sanggan He Provincial Nature Reserve Shanxi Sangyuan National Nature Reserve Shanxi Science and Technology Museum Shanxi Sheng

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。