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?? 42??? ???????? ??? ??? ??.
?? ???? ???????? ??? ??? ??? ????: ??, ?? ??, ??, ?? ? ?? ???, ???, ??, ??(??)? ?? ? ??, ?? ?? ??, ?? ?? ? ??? ???, ?? ?? ??, ?? ? ?? ??.
U.S. Air Force, ???????
US-Unspecified Preparing Activity, ???????
Group Standards of the People's Republic of China, ???????
SCC, ???????
IETF - Internet Engineering Task Force, ???????
Australian/New Zealand Standard (AU-AS/NZS), ???????
ECMA - European Association for Standardizing Information and Communication Systems, ???????
Standard Association of Australia （SAA）, ???????
ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., ???????
Defense Logistics Agency, ???????
IEEE - The Institute of Electrical and Electronics Engineers@ Inc., ???????
Taiwan Provincial Standard of the People's Republic of China, ???????
ATIS - Alliance for Telecommunications Industry Solutions, ???????
Institute of Electrical and Electronics Engineers (IEEE), ???????
Professional Standard - Electron, ???????
Alliance of Telecommunications Industry Solutions （ATIS), ???????
American National Standards Institute （ANSI), ???????
Professional Standard - Commodity Inspection, ???????
SAE - SAE International, ???????
BE-NBN, ???????
American Welding Society (AWS), ???????