ppbv

abbr. parts per billion by volume 十亿分体积比

释义与例句

sym.
  1. 1.

    parts per billion by volume

    right now: 71° — mostly clear — 08:29:14 am — 68% humidity — wind: 10.5 mph — ozone: 25 ppbv — rain (24hrs): 0.00"

词源

From ppb.

来源：wiktionary