Browse Standards
96587+ standards in database
96587 result(s) found
视听用户终端技术要求 视听用户终端业务中64～1920kbit/s信道的帧结构
Performance requirements of audiovisual terminals--Frame structure for a 64 to 1920kbit/s channel in audiovisual teleservices
4×139 264 kbit/s 光端机技术要求
Technical requirement for optical line terminals at 4×139 264 kbit/s
信息处理 数据交换用90 mm改进调频制记录的位密度为15916磁通翻转/弧度、每面80条磁道的软磁盘 第二部分:磁道格式
Information processing--Data interchange on 90mm flexible disk cartridges using modified frequency modulation recording at15916 ftprad， on 80 tracks on each side--Part 2:Track format
信息技术 安全技术 带消息恢复的数字签名方案
Information technology--Security techniques--Digital signature scheme giving message recovery
移动通信调频无线电话机质量评定规则
Quality assessment regulations for radio transceiver employing F3E emission used in the mobile services
移动通信调频无线电话机可靠性要求及试验方法
Reliability requirements and test methods for radio transceiver employing F3E emission used in the mobile services
移动通信调频无线电话机环境要求和试验方法
Environmental requirements and test methods for radio transceiver employing F3E emission used in the mobile services
密封放射源的泄漏检验方法
Sealed radioactive sources--Leakage test methods
核临界事故剂量测定
Dosimetry for criticality accidents
滚动轴承 带座外球面球轴承外形尺寸
Rolling bearings--Insert bearing units--Boundary dimensions
滚动轴承 外球面球轴承座外形尺寸
Roliing bearings--Housings for insertbearing--Boundary dimensions
电信网中脉冲编码调制音频通路传输特性常用测试方法
General test method for transmission performance of PCM voice channel in telecommunication network
V带和多楔带传动 节线位置的动态测定
V-and ribbed belt--Dynamic test to determine--Pitch zone location
金属覆盖层 延展性测量方法
Metallic coatings--Methods of measurement of ductility
拖拉机术语 转向系
Tractor terminology--Steering system
拖拉机术语 液压悬挂系及牵引、拖挂装置
Tractor terminology--Hydraulic hitch system and drawbar， hook
拖拉机术语 行走系
Tractor terminology--Running gears and undercarriages
拖拉机术语 制动系
Tractor terminology--Braking system
拖拉机术语 传动系
Tractor terminology--Transmission system
拖拉机术语 整机
Tractor terminology--Complete tractor