文学 共振峰 释 locus 音轨 同一个辅音后接（或前接）不同的元音时，其第二共振峰F2过渡音征虽有升有降，但都会指向的同一个频率值。
计算机应用 多媒体 释文 audio track 音轨
- down draft kiln
- Downes law
- down garment
- downgraded predication
- down grinding
- down hair
- Down Hill
- downhill
- downhill folding
- down-hill method
- downhole bums
- down hole electric heating
- downhole electrodrill
- downhole junk
- downhole motor
- down hole motor drilling
- downhole operation
- downhole pressurized jet assisted drilling system
- downhole throttling method
- downhole throttling technology
- down-hole tool
- Downing Park
- down-ladder
- down-ladder operator
- downlead