单词	声（音）
释义	同声（音）--声波
随便看	pulse frequency modulation，pfm pulse-frequency spectrum pulse frequency，pf pulse--frequent pulse front edge pulse--full pulse function pulse function sequence pulse function sequence, impulse function sequence pulse gate pulse gate，pg pulse-- gating pulse generation pulse generation diodes pulse generator pulse--generator pulse generators pulse generators, high-speed pulse glass pulse group pulse group repetition rate pulse group repetition rate--pgrr pulse group repetition rate，pgrr pulse groups per second pulse groups per second，pgps