Abso rb

RB Recycle Bin

RB Red Book

RB Request Block

RB Return to Bias

RB Right Button

RB Root Bridge

RB Row Buffer

RB Rubber Base

Rb rubidium

Rb Sr isochron age

Rb Sr isotime line age

Rb Sr isotopic age

Rb Sr mineral isochron

RB test

RB test adjusting

RB tree

Rb Vapor Cell

Retinoblastoma Rb suppressor-associated protein 46