bar code， bar code reader

bar machine ice bar freezer

bar to bar insulation

bar to bar resistance

bar-to-bar test

bar-to-bar voltage

bar-to-bar voltage peak

five-bar linkages similar to four-bar linkages

a goal programming

ability goal

accountancy verification goal

accountant goal

Accounting Goal

achievement goal

achievement goal orientation

actor-action-goal

affective goal

affective goal teaching

all-around development goal