MSZ 21 459 1-1981 《空气污染物散播的测定 从污染源点计算污染程度》.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

ITU-R BO 1597 SPANISH-2002 Methodology for the calculation of the worst-case interference levels between non-geostationary broadcasting-satellite service (sound) systems using highatel.pdf

ITU-R BO 1597-2002 Methodology for the calculation of the worst-case interference levels between non-geostationary broadcasting-satellite service (sound) systems using highly-ellip net.pdf

ITU-R BO 1658 FRENCH-2003 Continuous curves of epfd versus the geostationary broadcasting-satellite service earth station antenna diameter to indicate the protection afforded by syith .pdf

ITU-R BO 1658 SPANISH-2003 Continuous curves of epfd versus the geostationary broadcasting-satellite service earth station antenna diameter to indicate the protection afforded by swith.pdf

ITU-R BO 1658-2003 Continuous curves of epfd versus the geostationary broadcasting-satellite service earth station antenna diameter to indicate the protection afforded by systems cmete.pdf

ITU-R BO 1659-1-2012 Mitigation techniques for rain attenuation for broadcasting-satellite service systems in frequency bands between 17 3 GHz and 42 5 GHz《频段为17 3 GHz-42 5 GHz广播卫星.pdf

ITU-R BO 1696 FRENCH-2005 Methodologies for determining the availability performance for digital multiprogramme broadcasting-satellite service systems and their associated feeder l.pdf

ITU-R BO 1696 SPANISH-2005 Methodologies for determining the availability performance for digital multiprogramme broadcasting-satellite service systems and their associated feeder .pdf

ITU-R BO 1696-2005 Methodologies for determining the availability performance for digital multiprogramme broadcasting-satellite service systems and their associated feeder links op.pdf