YDB 137-2013.Architecture and technical requirements of policy control capability ppening of network intelligent capability enhancement (NICE).1范围YDB 137规定了智能型通信网...
YDB 138-2013.Radio passive optical network (RPON) technical specification.1范围YDB 138规定了基于WDM- PON方式的RPON系统配置与参考模型、系统总体指标、性能指...
YDB 139-2013.Technical requirement of WLAN IP mobility.1范围YDB 139规定了公众无线局域网支持IP移动性系统架构、接口协议、技术需求及关键技术。YDB 1...
YDB 140-2013.Technical requirement of radio access network self-organizing networks (SON) management.1范围YDB 140规定了无线接入网自组织网络(SON) 的管理架构;自配置...
TB/T 3179-2007.Specifications of spreader for 5 D freight containers.1主题内容与适用范围TB/T 3179规定了吊具的外形尺寸、技术要求、检验方法与规则、标记...
YY/T 0111-2005.Technical requirements and test methods for ultrasonic Doppler transducer.1 范围YY/T 0111规定了超声多普勒换能器的产品分类、要求及试验方法。...
TB/T 3177-2007.The more important safety conditions to be observed in the use of electronic components in railway signalling techniques.1主题内容与适用范围TB/T 3177规定了铁...
YY/T 0127.11-2014.Biological evaluation of medical devices used in dentistry-Part 11:Pulp capping test.1范圈.YY/T 0127的本部分规定了口腔材料盖髓试验方法。该试验...
TB/T 3175-2007.AX series relays.1范围TB/T 3175规定了AX系列继电器(以下简称继电器)的品种、规格、技术要求、试验方法检验规则和标志、包装、运输...
YY 91112-1999.Specifications for electrically heated steam generators for medical use.3.11压力控制器在选定的工作压力时能恒压,误差不大于10%,但不得超过设计压...










