p.a.

abbr.

per annum 每年；

英英释义

p.a.

• n.an electronic amplification system used as a communication system in public areas

  同义词：public address systemP.A. systemPA systemPA

• adv.by the year; every year (usually with reference to a sum of money paid or received)

  同义词：per annumper yeareach yearannually

权威例句

Subjective outcome evaluation of the project P.A.T.H.S: descriptive profiles and correlates.
On Castelnuovo’s criterion of rationality P a =P 2 =0 of an algebraic surface
I.M.P.A.K.T.: An Innovative Semantic-based Skill Management System Exploiting Standard SQL
They Loved Your G.P.A. Then They Saw Your Tweets.
Actions de Groupes Finis sur S 3 : La Conjecture de P.A. Smith [d'après Thurston et Meeks-Yau]
0.9 W/mm, 76% P.A.E. (7 GHz) GaInAs/InP composite channel HEMTs
Angular Distribution of Drell Yan Pairs in p+A at LHC
Progetto pilota formazione continua sicurezza sul lavoro: esperienza presso la CAST S.p.A.
Dexia Crediop S.p.A. v Comune Di Prato
Høstgildet by J.P.A. Schulz: A national Singspiel?