DB

名词 db:

1. a transuranic element
   同义词：dubnium, hahnium, element 105, atomic number 105
2. a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity
   同义词：decibel

dB
abbr.（略语）
Decibel.
Decibel.