positive electrolyte negative

alse positive

e antigen positive

Anti-HBs positive seroconversion

Black organic positive gel

a positive convection term

duration of positive pressure

(BPG)black positive gel

AVO positive abnormal

CEA positive tumor

AmpC enzyme positive

Detection rate for positive in specimen

CD8(+) positive lymphocyte

AChE positive nerves

double positive

Antibody positive rate

adjustment on positive water level

Current Positive Feedback

available net positive suction head

direct positive