NF C97-210-1-2005 Audio and audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics - Part 1 general 《音频和视听设备 数字音频部分 音频特性的基本测量方法 第1部分 总则》.pdf

相关资源

IRS 70778-2-2018 Recommendations for determining the carrying capacity and fatigue risks of existing metallic railway bridges.pdf

IRS 70712-2018 Rail defects.pdf

IRS 50596-6-2018 Conditions for coding intermodal loading units in combined transport combined transport lines and wagons.pdf

IRS 50596-5-2018 Transport of road vehicles on wagons-Technical Organisation-Conveyance of semi-trailers with P coding or N coding on recess wagons.pdf

IESNA TM-23-2017 Lighting Control Protocols.pdf

IESNA RP-2-2017 Recommended Practice for Retail Lighting.pdf

ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

ITU-R RAPPORT M 763-3 FRENCH-1990 Signal level variation due to multipath effects and blockage by ship-s superstructure in maritime mobile-satellite service lin.pdf

ITU-R RAPPORT M 739-1 FRENCH-1986 Interference due to intermodulation products in the land mobile service between 25 and 100 MHz《由于互调产物在陆地移动服务25和100 MHz之间产生的干扰》.pdf

ITU-R RAPPORT M 319-7 FRENCH-1990 Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mob.pdf

猜你喜欢

NBN T 94-202-1977 0000 Determination of sulphur dioxide content in ambient air - West and Gaeke method《环境空气中二氧化硫含量的测定 West and Gaeke法》.pdf

NBN T 94-203-1977 1250 Determination of hydrogensulfide content in ambient air - Methylene blue raethod《环境空气中氢化硫含量的测定 亚甲蓝方法》.pdf

NBN T 94-301-1976 1250 Determination of nitrogen dioxyde contents of ambient air -Griess-Saltzman method《环境空气中二氧化氮含量的测定 兹曼方法》.pdf

NBN T 94-302-1976 1875 Determination of nitrogen oxydes and of nitrogen monoxyde contents of ambient air - Griess-Saltzman method《环境空气中二氧化氮含量的测定 兹曼方法》.pdf

NBN T 94-401-1977 0000 Determination of the lead mass in particles collected by air filtration - Atomic absorption spectrophotometry《空气过滤收集的微粒中铅质量的测定 原子吸收分光光度法》.pdf

NBN T 94-402-1977 0000 Determination of the zinc mass in particles collected by air fil-tration - Atomic absorption spectrophotometry《空气过滤收集的微粒中锌质量的测定 原子吸收分光光度法》.pdf

NBN T 94-403-1977 8750 Determination of the cadmium mass in particles collected by air filtration - Atomic absorption spectrophotometry《空气过滤收集的微粒中镉质量的测定 原子吸收分光光度法》.pdf

NBN T 94-404-1977 5625 Determination of the copper mass in particles collected by air filtration - Atomic absorption spectrophotometry《空气过滤收集的微粒中铜质量的测定 原子吸收分光光度法》.pdf

NBN T 94-405-1977 3750 Determination of the nickel mass in particles collected by air fil-tration Atomic absorption spectrophotometry《空气过滤收集的微粒中镍质量的测定 原子吸收分光光度法》.pdf