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 發表於 2006-10-21 06:59 PM 
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| PC may stand for:* i9 |$ j; c: K1 a3 l2 p; d1 f 9 ?- d! K. f+ }
 Professional Corporation, certain corporations that provide personal services, such as law firms, dental clinics, and physicians in multi-party clinical practice.
 , I' f8 O. g1 APolitical correctness, language that appears calculated to provide a minimum of offense ' k6 a- Z# S: }) }
 Police Constable (also Pc), in the UK and Canada
 . r" H9 |4 @- h" TPresbyterian Church (USA), a Christian denomination ; c1 F; I0 E- V  B0 J* ]
 Privy Council, a body that advises the head of state of a nation (see also Queen's Privy Council for Canada)
 0 G( \4 d* P4 i& {6 _, M! zPro-choice, a self-description used by people who believe that women should have the legal right to have an abortion
 ! X+ Q0 r! H! `7 |/ L' J9 QProto-Celtic language, the reconstructed common ancestor of the Celtic languages & A5 _; Z7 l, J4 D& ~& y4 v
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 Engineering, mathematics, science and technology
 3 e( r6 ~4 e2 \( kPersonal computer, a microcomputer whose price, size, and capabilities make it suitable for personal usage; most commonly, it refers to an IBM PC compatible, making IBM responsible for popularizing the term "PC" in 1981.
 2 g; p$ ^+ V4 }+ tPrincipal component, in mathematics: vectors and mathematical statistics (also PC1, PC2 etc.) 0 B9 q" p3 ^& Y6 ~$ X; t8 ]
 Presenting complaint, used in medicine to identify the patient's primary and most serious symptom.
 5 u0 {* g- ^. j0 e9 c3 T# fIn engineering, computer science and technology:9 v0 N, m4 O, r* d( T. f
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 Pocket computer, a small programmable calculator
 9 }, o9 e, `% i+ k0 @3 A) ~Program counter, a special type of register in a computer
 ! z3 d; p* f! \3 ?& X: G7 fProgrammable Controller (PLC), a type of electrical engineering circuit components in the subfield of Control and Automation or Feedback and Control
 `/ l7 q1 ^& d3 A2 H* m+ Z! KPaper Cassette, the tray that holds paper in a laser printer. The term is mostly used by older Hewlett-Packard laser printers by way of cryptic error messages such as "PC Load Letter" and "PC Load A4".
 / K7 x! G1 a! i9 n1 {- z+ e- ^8 Zpetacoulomb, an SI unit of electric charge equal to 1015 coulombs : F; u4 E9 `4 |8 a/ I4 `. G
 Photonic crystal, periodic dielectric or metallo-dielectric (nano)structures
 9 v2 ^) p- n0 U+ m: S1 m# h' VPolycarbonate, a particular group of thermoplastics
 * t8 V2 \! u+ H: _+ SPropylene carbonate, a polar organic solvent
 , G& G& O- s  i+ j4 K4 @6 c! OPubococcygeus muscle, a muscle in the human body
 2 h* I5 U2 Y& ~Point Code, a C7/SS7 Point Code 8 n, N, T8 C0 y! J  J5 ?+ O
 Prontor/Compur, a jack or plug for providing flash synchronization to a camera
 9 X) w* T- H2 W# a6 XPrinted Circuit, usually in the context of PC board or PC card
 , I* \8 f9 H/ n" q! v/ g5 JPhrozen Crew, a group of computer software crackers   k+ b0 \/ j" j. R, N# I$ d0 v
 
 1 z! d' |7 H8 l0 k2 ?As technological units: pc may mean:
 " l5 ?# Q* v: Q: ^7 u5 H! q% U. E9 Z+ x5 o6 K6 x9 G4 y. K
 parsec, an astronomical unit of distance (from "parallax-second") : g% z* [- C" L6 \4 z0 F2 S
 Percent or per cent , |" ]/ N* }3 Q$ w) T4 P
 
 & D" v5 Q; I; [5 h7 UpC may mean:
 & c$ y4 [9 s" E. @5 Q( }2 F# S7 A: y1 R% o
 picocoulomb, an SI unit of electric charge equal to 10-12 coulomb " V7 j- |% g: y
 As Law enforcement language: pc may mean:
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 % B8 B; [" K( w  P  `7 {* sProbable cause, a judicially acceptable reason for taking action such as a traffic stop or entering a residence
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