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?? 245??? ?? ??? ??? ??? ??? ??.
?? ???? ?? ??? ??? ??? ??? ??? ????: ??, ?? ?? ??, ???? ?? ?? ?? ? ?? ????, ??, ??? ??, ?? ??(IT) ??, ?? ??? ?? ??, ?? ?? ??, ????? ???, ?? ??, ?? ???, ???, ??, ?? ???, ???, ?? ??, ?? ??, ??, ?? ? ?? ??, ????? ?? ? ??? ???, ??, ?? ? ?? ??, ?? ?? ???, ???, ???, ???, ?? ? ???, ?? ? ?? ??, (?? ??), ?? ?? ??? ? ?? ????, ??(??)? ?? ? ??, ??? ??, ?????? ??, ???, ?? ?? ???, ?? ??, ?? ?? ? ??? ???, ???, ??, ???, ???, ???, ?? ??, ?? ? ??, ?? ? ?? ??, ??, ??(?? ? ??), ?? ?? ??, ???? ??, ??? ? ? ?? ?? ??.
Group Standards of the People's Republic of China, ?? ??? ??
National Metrological Verification Regulations of the People's Republic of China, ?? ??? ??
國家市場監督管理總局、中國國家標準化管理委員會, ?? ??? ??
American Society for Testing and Materials (ASTM), ?? ??? ??
U.S. Air Force, ?? ??? ??
Shaanxi Provincial Standard of the People's Republic of China, ?? ??? ??
Anhui Provincial Standard of the People's Republic of China, ?? ??? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??? ??
RO-ASRO, ?? ??? ??
HU-MSZT, ?? ??? ??
British Standards Institution (BSI), ?? ??? ??
Danish Standards Foundation, ?? ??? ??
工業和信息化部, ?? ??? ??
Professional Standard - Navy, ?? ??? ??
Association Francaise de Normalisation, ?? ??? ??
American National Standards Institute （ANSI), ?? ??? ??
SCC, ?? ??? ??
WRC - Welding Research Council, ?? ??? ??
- BULLETIN 221-1976 PVRC ?? NO.3? ??? ??? ?? ???? ??? ?? ?? I ? II, PVRC ? ?? ?? 251J "?? A? ??? ??? ??
International Telecommunication Union (ITU), ?? ??? ??
Professional Standard - Press and Publication, ?? ??? ??
German Institute for Standardization, ?? ??? ??
GSO, ?? ??? ??
AGMA - American Gear Manufacturers Association, ?? ??? ??
Spanish Association for Standardization (UNE), ?? ??? ??
AT-ON, ?? ??? ??
ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., ?? ??? ??
American Gear Manufacturers Association, ?? ??? ??
Institute of Electrical and Electronics Engineers (IEEE), ?? ??? ??
ITU-R - International Telecommunication Union/ITU Radiocommunication Sector, ?? ??? ??
API - American Petroleum Institute, ?? ??? ??
Korean Agency for Technology and Standards (KATS), ?? ??? ??
KR-KS, ?? ??? ??
IEEE - The Institute of Electrical and Electronics Engineers@ Inc., ?? ??? ??
International Organization for Standardization (ISO), ?? ??? ??
US-Unspecified Preparing Activity, ?? ??? ??
American Welding Society (AWS), ?? ??? ??
- WRC 221:1976 1?: PVRC ?? No. 3 ??? ??? ?? ??? ?? I ? II? ??? ??
Military Standards (MIL-STD), ?? ??? ??
RU-GOST R, ?? ??? ??
Professional Standard - Commodity Inspection, ?? ??? ??
SAE - SAE International, ?? ??? ??
IPC - Association Connecting Electronics Industries, ?? ??? ??
CZ-CSN, ?? ??? ??
Taiwan Provincial Standard of the People's Republic of China, ?? ??? ??
Liaoning Provincial Standard of the People's Republic of China, ?? ??? ??
- DB21/T 3792-2023 ?? ??? ?? ??? ??? ??? ????? ?????? ?? ???? ?? ???? ??? ????? ??
US-FCR, ?? ??? ??
Shanxi Provincial Standard of the People's Republic of China, ?? ??? ??
Institute of Environmental Sciences and Technology, ?? ??? ??
Jiangxi Provincial Standard of the People's Republic of China, ?? ??? ??
(U.S.) Joint Electron Device Engineering Council Soild State Technology Association, ?? ??? ??
Indonesia Standards, ?? ??? ??
Henan Provincial Standard of the People's Republic of China, ?? ??? ??
International Electrotechnical Commission (IEC), ?? ??? ??
CEN - European Committee for Standardization, ?? ??? ??
Professional Standard - Earthquake, ?? ??? ??
國家密碼管理局, ?? ??? ??
Guangdong Provincial Standard of the People's Republic of China, ?? ??? ??
Sichuan Provincial Standard of the People's Republic of China, ?? ??? ??
Jiangsu Provincial Standard of the People's Republic of China, ?? ??? ??
Alliance of Telecommunications Industry Solutions （ATIS), ?? ??? ??
SE-SIS, ?? ??? ??
GB-REG, ?? ??? ??
Society of Automotive Engineers (SAE), ?? ??? ??
United States Navy, ?? ??? ??
Shandong Provincial Standard of the People's Republic of China, ?? ??? ??
ATIS - Alliance for Telecommunications Industry Solutions, ?? ??? ??
Zhejiang Provincial Standard of the People's Republic of China, ?? ??? ??
國家質量監督檢驗檢疫總局, ?? ??? ??
Japanese Industrial Standards Committee (JISC), ?? ??? ??