英语释义
1. blood alcohol concentration
2. bacterial artificial chromosome
A significant advance in clone library construction for physical mapping and large-scale sequencing was the development of the bacterial artificial chromosome (BAC) vector in 1992. BAC vectors stably propagate DNA with insert size from 80 to 300 kb.
— Lee Rowen et al., Science, 24 Oct. 1997
3. blood alcohol concentration
At a BAC of .10 percent, sensory and motor functions become noticeably impaired. Speech becomes slurred, and people have difficulty coordinating arm and leg movements.
— Rita L. Atkinson et al., Introduction to Psychology, 9th edition, 1987