bbb

abbr.

bed, breakfast, and bath （提供）住宿；basic boxed base 基本盒式底座；beleaguered by bullets and burglars 遭到子弹和窃贼围攻；triple black 三个B的（软铅）铅笔

权威例句

Approximate controllability for the semilinear heat equation in $Bbb Rsp N$ involving gradient terms.
Transferrin- and transferrin-receptor-antibody-modified nanoparticles enable drug delivery across the blood–brain barrier (BBB)
Opitz G/BBB syndrome, a defect of midline development, is due to mutations in a new RING finger gene on Xp22
Towards the triviality of SX\sp +\sb 0(p\sp r) (\Bbb Q)S for Sr>1S
Bitplane-by-bitplane shift (BbBShift) - A suggestion for JPEG2000 region of interest image coding
Erratum: Aerosols implicated as a prime driver of twentieth-century North Atlantic climate variability
UK Climate Projections Science Report: Climate Change Projections
Seven-Year Follow-up of Speech/Language-Impaired ...
Towards quantifying uncertainty in transient climate change
Veterinary protozoology