What are the abbreviations in English

What are the abbreviations in English

1. Abbreviations for various organizations or institutions
Asia Pacific Economic Cooperation
IOC (International Olympic Committee)
ISO (International Organization for Standardization), OPEC (organization of Petroleum Exporting Countries), OPEC, organization of Petroleum Exporting Countries
World Trade Organization
2. Abbreviations for various systems
BBS (bulletin board system) electronic bulletin board system or (bulletin board service) electronic bulletin service
Global position system (GPS)
GSM (Global System for mobile communications) CIMS (Computer Integrated Manufacturing System) DOS (disc operating system) disk operating system
Its (Intelligent Transportation System) intelligent transportation system
NMD national missile defense system
TMDE (test, measure and diagnostic equipment) NASDAQ (National Association of Securities Dealers Automated Quotation)
3. Abbreviations for position or degree
Chief executive officer
CFO (Chief Finance Officer)
CIO (Chief Information Officer)
COO (chief operating officer)
CTO (Chief Technology Officer)
CPA (certified public accountant)
MBA (Master of Business Administration)
MPa (Master of Public Administration)
4. Abbreviations related to finance
ATM (automated teller machine)
CBD (central business district)
GDP (gross domestic product)
GNP (gross national product)
5. Abbreviations for examination
CET (College English test)
GRE (Graduate Record Examination)
Pets (Public English test system)
6. Abbreviations of other aspects
AIDS (acquired immune deficiency syndrome) is acquired immune deficiency syndrome (AIDS)
Am (amplitude modulation)
APC (aspirin, phenacetin and caffeine; compound aspirin; heat releasing and pain killing medicine considering of aspirin, phenacetin and caffeine) compound aspirin
API (air pollution index)
CDMA (code division multiple access) is a radio transmitting and receiving mode
Compact disc
CIP (Cataloging in Publication)
DIY (do it yourself) refers to installing computers, sewing clothes, making greeting cards, etc
DVD (digital video disc)
EMS (express mail service)
EQ (emotional quotient)
IQ (intelligence quotient)
It (Information Technology)
OA (office automation) office automation
OEM (original equipment manufacturer)
Personal computer (PC)
Pt (special transfer)
SOHO (small office home office)
SOS (Save Our Souls; radio signal once used universally to appeal for help esp.by a ship or boat; urgent request for help from sb.in The international emergency call signal is also used for general call for help or help
St (special treatment)
VIP (very important person)
VOD (video on demand)
WWW (World Wide Web)
7. English abbreviations commonly used in Internet chat
ASAP as soon as possible
BF boyfriend
BTW by the way
BBL be back later
BRB be right back will be back soon
Cu see you
Cul see you later
Diik damned if I know
DS dunce smiley
Fe for example
FTF face to face
FYI for your information
GF girlfriends
IAE in any event
I understand
Ely I love you
IMHO in my humble opinion
IMO in my opinion
In other words, lol laughing out loud NRN no reply necessary, I know PEM privacy Enhanced Mail RSVP reply if you please, please reply TIA thanks in advance ttul talk to you later talk about ty thank you VG very good wrt with respect to wymm will you marry me

1. CCTV 2. UK 3. PRC 4. A.m.5. USA 6. P.m

CCTV
2 UK
3 people's Republic of China
4 am
5 United States of America
6 pm