YD/T 1249-2003.The Technical Requirements of Integrated Intelligent Network System.1范围YD/T 1249规定了综合智能网在电信网(包括固定网、移动网等)中的位置、综...
GY 5057-2006.Code for construction and acceptance of MW S W broadcasting antenna and feeder system.3.1.1施工前必 须编制施工组织设计，施工组织设计的主要内容应...
GY 5211-1995.第一章总则第一节说明第11.1条编制目的为了科学地测定有线电视工程建设项目投资，合理确定工程造价，提高项目建设投资的准确...
GY 5060-2008.Standard for classification of seismic protection of radio，film and TV building constructions.2.0.1抗震设防分类Seismic fortification category for structures根据...
GY 5001一2004.Code for Structure Design of Steel Tower and Mast.3.1.2塔桅结构的钢材应保iE屈服点、抗拉强度、伸长率和冷弯试验合格,对焊接结构和螺栓连...
GY/T 5072-2019.Technical standard for remote monitoring station of terrestrial broadcasting engineering.4.0.1射频指标测量应包括下列内容:1 中波、短波广播的信号电...
YD/T 1243.2-2002.Technical specification for media gateway - ATM trunk equipnent.1范围YD/T 1243.2规定了ATM中继媒体网关设备的功能、接口、控制协议、网管、性...
YD/T 1243.3-2002.Technical specification for media gateway equipment - integrated access media gateway.1范围YD/T 1243.3规定了综合接入媒体网关设备的功能、接口、控...
YD/T 1244-2002.Requirement and measurement methods of electromagnetic compatibility for xDSL equipment.1范围YD/T 1244规定了xDSL系列设备的电磁兼容性要求及测量方法...
YD/T 1245-2002.Electronic commercial application level protocol under mobile environment(non shopping type).1范围YD/T 1245规定了在移动环境中实施非购物型电子商务应...
