ITU-R RAPPORT BT 959-2 FRENCH-1990 Experimental results relating picture quality to objective magnitude of impairment《实验结果与图像质量的客观减值幅度》.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

BS EN 755-7-2016 Aluminium and aluminium alloys Extruded rod bar tube and profiles Seamless tubes tolerances on dimensions and form《铝和铝合金 挤压的杆材 棒材、管材和型材 无缝管的尺寸和形状公差》.pdf

BS EN 755-8-2016 Aluminium and aluminium alloys Extruded rod bar tube and profiles Porthole tubes tolerances on dimensions and form《铝和铝合金 挤压的杆材 棒材、管材和型材 出水孔管的尺寸和形状公差》.pdf

BS EN 755-9-2016 Aluminium and aluminium alloys Extruded rod bar tube and profiles Profiles tolerances on dimensions and form《铝和铝合金 挤压杆材 棒材、管材及型材 型材的尺寸和形状公差》.pdf

BS EN 761-1995 Plastics piping systems Glass-reinforced thermosetting plastics (GRP) pipes Determination of the creep factor under dry conditions《塑料管道系统 玻璃纤维增强热固性塑料管 干燥条件下蠕变系数的测定》.pdf

BS EN 764-2-2012 Pressure equipment Quantities symbols and units《压力设备 量值、符号和单位》.pdf

BS EN 764-7-2002 Pressure equipment — nPart 7 Safety systems for unfired npressure vessels《压力设备 第7部分 非受火压力容器的安全性系统》.pdf

BS EN 765-1994 Sacks for the transport of food aid - Sacks made of woven polyolefin fabric other than polypropylene only《食品运输用麻袋 仅聚丙烯出外的其它聚烯烃物编织的麻袋》.pdf

BS EN 766-1994 Sacks for the transport of food aid - Sacks made of jute fabric《食品运输用麻袋 黄麻纤维编织麻袋》.pdf

BS EN 767-1994 Sacks for the transport of food aid - Sacks made of woven jute polyolefin fabric《食品运输用麻袋 黄麻 聚烯烃混合织物编织麻袋》.pdf