PEPS
[ ] ; Preliminary Evaluation Programme for SPOT ;
PEQUOD
[ ] ; Pacific Equatorial Ocean Dynamics (USA Project) ;
Perl
[ ] ; Practical Extraction and Report Language ;
Perseid
[ ] ; Comet Swift-Tuttle debris orbit ;
PERSGA
[ ] ; Red Sea and Gulf of Aden Environment Programme (ALECSO) ;
PF
[ ] ; Pimary Phase Factor ; 一次位相係数
PFA
[ ] ; Principal Factor Analysis ; 主因子分析
PFD
[ ] ; Power Flux Density ;
PFEG
[ ] ; Pacific Fisheries Environmental Group (NMFS) ; 太平洋漁業環境グループ
PFF
[ ] ; Project Formulation Framework (UNDP) ;
PFM
[アルファベット] ; Proto Flight Model ; プロト・フライト・モデル
PFZ
[ ] ; Polar Front Zone ; 極前線域
PGA
[ ] ; Pin Grid Array ;
PGM
[ ] ; Portable Gray map Format ;
PGML
[ ] ; Precision Graphics Markup Language ;
PGP
[ ] ; Perfect GOES Projection ;
PGP
[ ] ; Pretty Good Privacy ;
PGS
[アルファベット] ; Predicted Ground Speed ; 予知対地速力
pH
[アルファベット] ; potential of Hydrogen ; ペーハー、ピーエイチ、水素イオン濃度
PHA
[ ] ; Place Hour Angle ; 地方時角
PHARE
[ ] ; Action Plan for Coordinated Aid to Poland and Hungary (EU) ;
PHS
[ ] ; Personal Handphone System ;
PHUDD
[ ] ; Polar HRPT User Display Device ;
PHYSnet
[ ] ; High Energy Physics Network (also known as HEPnet) ;
PI
[ ] ; Position Indicator ;
PI
[アルファベット] ; Principal Investigator ; 主研究者
PIAFS
[ ] ; PHS Internet Access Forum Standard ;
PIANC
[ ] ; Permanent International Association of Navigational Congresses (UK) ; 国際航路会議協会
PIBOC
[ ] ; Pacific Institute of Bioorganic Chemistry ;
PIC
[ ] ; Particulate Inorganic Carbon ; 井立状無機炭素
PIC
[ ] ; Programmable Interrupt Controller ;
PIC
[ ] ; Programme information Circular (IOC) ;
PICC
[ ] ; Plastic Leaderless Chip Carrier ;
PICES
[ぱイセス] ; North Pacific Marine Science Organization (Pacific ICES) ; 北太平洋海洋科学機構
PICF
[ ] ; Principal Investigator Computing Facility (EOS/NASA) ;
PICT
[ピクト] ; Quick Draw Picture Format ; グラフィック用ファイルフォーマットの一種
PIES
[ ] ; Post-Installation Engineering Support ;
PIG
[ ] ; Pacific Institute of Geography ;
PILOT
[ ] ; Upper-air wind report on GTS ; GTSによる上層大気風報告
PILPS
[ ] ; Project for Intercomparison of Land-surface Scheme (GCIP/GEWEX) ;
PIONEER
[ ] ; NASA PIONEER Venus Series (remote sensing and direct measurement of Venus) ;
PIMRIS
[ ] ; Pacific Islands Marine Resources Information System (ASFIS) ;
PINS
[ ] ; Precise Integrated Navigation System ; 精密複合航法システム
PIP
[ ] ; IGOSS Plan and Implementation Programme ;
PIPICO
[ ] ; Panel for International Programmes and International Cooperation in Ocean Affairs (USA) ;
PIPOR
[ ] ; Program for International Polar Ocean Research ;
PlRATA
[ ] ; Pilot Research Moored Array in thc Tropical Atlantic ;
PKI
[ ] ; Public Key Infrastructure ;
PKO
[アルファベット] ; Peace-Keeping Operations (UN) ; 国連平和維持活動
PKP
[アルファベット] ; Seismic wave Passing Through the Core of the Earth ; 地球核を通過する地震波
PLA
[アルファベット] ; Port of London Authority ; ロンドン港湾局
PLB
[ ] ; Picture Level Benchmark ;
PLDS
[ ] ; Pilot Land Data System (NASA) ;
PLL
[ ] ; Phase Locked Loop ;
PLRF
[ ] ; Prograrmme on Long-Range Forecasting Research (CAS) ;
PM
[ ] ; Phase Modulation ; 位相変調
