pair distribution function (PDF)

interfaced pair

vortex pair

coax-twisted pair adapter

pair

passive direction finding (PDF)

pavement depth factor (PDF)

peace development fund (PDF)

Personal Data Form (PDF)

point detonating fuze (PDF)

post defense force (PDF)

principal direction of fire (PDF)

projectile disassembly facility (PDF)

propellant disposition facility (PDF)

cargo deployment function

function check

function switch

pattern damage function

pattern density function

fires warfighting function

Electronic-combat Multi-function Radar (EMR)

ballistic function

velocity-depth function

Cauchy-Lagrangian function

data communication management function

computing function

force function

function

harmonic function

mapping function

noise level as a function of take-off mass

stream function

stream function of compressible fluid