| 释义 |
pulse duration modulation脉波延时调制pulse duration modulation脉宽调制双向☞PDM--pulse duration modulationpulse duration modulation脈期調變電子工程pulse duration modulation脈（波）寬（度）調變電機工程pulse duration modulation脈寬調制物理學名詞pulse duration modulation脈波延時調變氣象學名詞pulse duration modul |