SIS SS 63 63 30-1991 Telecommunications equipment Private Branch Exchanges (PBXs) Transmission requirements for digital PBXs not using 8 bits PCM with A-law《电信设备 专用分组交换机(交换机)非使用8.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

[工程类试卷]注册建造师一级（市政公用工程管理与实务）模拟试卷98及答案与解析.doc

[工程类试卷]注册建造师一级（市政公用工程管理与实务）模拟试卷99及答案与解析.doc

[工程类试卷]注册建造师一级（市政公用工程管理与实务）模拟试卷9及答案与解析.doc

[工程类试卷]注册建造师一级（市政公用工程管理与实务）章节练习试卷10及答案与解析.doc

[工程类试卷]注册建造师一级（市政公用工程管理与实务）章节练习试卷1及答案与解析.doc

[工程类试卷]注册建造师一级（市政公用工程管理与实务）章节练习试卷2及答案与解析.doc

[工程类试卷]注册建造师一级（市政公用工程管理与实务）章节练习试卷3及答案与解析.doc

[工程类试卷]注册建造师一级（市政公用工程管理与实务）章节练习试卷4及答案与解析.doc

[工程类试卷]注册建造师一级（市政公用工程管理与实务）章节练习试卷5及答案与解析.doc