GB/T 14559-1993
变化量的符号和单位
Symbols and units of variant quantities
1993-08-19
BS EN 764-2-2012
Pressure equipment-Quantities, symbols and units
压力设备 数量、符号和单位
2012-02-29
DIN 28402
Vacuum technology; quantities, symbols, units, summary
真空技术；数量、符号、单位、汇总
1976-12-01
GB/T 3101-1993
有关量、单位和符号的一般原则
General principles concerning quantities，units and symbols
1993-07-01
UNE-EN 764-2-2003
PRESSURE EQUIPMENT - PART 2: QUANTITIES, SYMBOLS AND UNITS.
压力设备.第2部分:数量、符号和单位
2003-01-31
DIN 13310
Surface tension in fluids; concepts, quantities, symbols, units
流体的表面张力；概念、数量、符号、单位
1982-08-01
GB/T 6963-2023
渔具与渔具材料量、单位及符号
Quantities, units and symbols of fishing gear and materials for fishing gear
2023-12-28
BS EN 60027-3-2007
Letter symbols to be used in electrical technology-Logarithmic and related quantities, and their units
电气技术中使用的字母符号
2008-04-30
BS ISO 80000-2-2009
Quantities and units. Mathematical signs and symbols to be used in the natural sciences and technology
数量和单位 自然科学和技术中使用的数学符号和符号
2010-01-31
UNE 21405-3-1994
LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY. PART 3: LOGARITHMIC QUANTITIES AND UNITS.
电气技术中使用的字母符号 第3部分:对数量和单位
1994-12-05
KS C IEC 60027-3(2019 Confirm)
전기기술분야에 사용되는 기호－제3부：로그 양 및 단위
电工用字母符号第3部分:对数量和单位
2009-02-09
DIN 11901
Laundry and dry cleaning machinery; measuring quantities, symbols, units, formulas for calculation
洗衣和干洗机械；测量量、符号、单位、计算公式
1976-06-01
DIN 5031-3
Optical radiation physics and illuminating engineering; quantities, symbols and units of illuminating engineering
光学辐射物理与照明工程；照明工程的数量、符号和单位
1982-03-01
DIN 1349-1
Transmisson of optical radiation; optical clear (nonscattering) media, quantities, symbols and units
光辐射传输；光学透明（非散射）介质、数量、符号和单位
1972-06-01
DIN 5031-1
Optical radiation physics and illuminating engineering; quantities, symbols and units of radiation physics
光学辐射物理与照明工程；辐射物理的量、符号和单位
1982-03-01
BS 10/30228428 DC
BS EN 764-2. Pressure equipment. Part 2. Quantities, symbols and units
英国标准EN 764-2 压力设备 第二部分 数量、符号和单位
2010-07-27
KS C IEC 60027-3
전기기술분야에 사용되는 문자 기호 — 제3부: 로그, 관련 양 및 단위
电气技术用字母符号.第3部分:对数和相关量及其单位
2022-12-27
IEC 60027-3-2002
Letter symbols to be used in electrical technology - Part 3: Logarithmic and related quantities, and their units
用于电气技术的字母符号第3部分:对数和相关数量及其单位
2002-07-19
BS 04/30061005 DC
ISO 17769. Liquid pumps. General terms and installation. Definitions, quantities, letter symbols and units
ISO 17769 液体泵 一般条款和安装 定义、数量、字母符号和单位
2004-12-08
UNE 82100-11-1996
QUANTITIES AND UNITS. PART 11: MATHEMATICAL SIGNS ANS SYMBOLS FOR USE IN THE PHYSICAL SCIENCES AND TECHNOLOGY.
数量和单位 第11部分:用于物理科学和技术的数学符号和符号
1996-09-18