bottom dead center

BTDC Before Top Dead Center

dead center

dead point

Down dead point dynamic accuracy

top dead center

upper dead center

center point for building

bias between the mass center and siffness center

center to center (C-C)

center to center communications

center to center distance

center-to-center

accumulation point or limit point

blind point and difficult point of prescription

burning point fire point

fire point burning point

integral point by point

link mode of point to point

method of balancing the distances to fore point and to back point