移动通信设备 运输包装
Mobile communication equipments-Transport package
检测标准
阴极射线管X射线辐射测试方法
Methods of measurement of X-radiation forcathode-ray tubes
硅-蓝宝石外延片
Silicon on sapphire epitaxial wafers
桑蚕捻线丝
Thrown silk
半导体集成电路数字锁相环测试方法的基本原理
General principles of measuring methods of digital phase-locked loop for semiconductor integrated circuits
半导体集成电路模拟锁相环测试方法的基本原理
General principles of measuring methods of analogue phase-loop for semiconductor integrated circuits
半导体集成电路时基电路测试方法的基本原理
General principles of measuring methods of timer circuits for semiconductor integrated circuits
半导体集成电路模拟乘法器测试方法的基本原理
General principles of measuring methods of analogue multiplier for semiconductor integrated circuits
半导体集成电路 模拟开关测试方法
Semiconductor integrated circuits-Measuring method of analogue switch
轨道交通 牵引供电系统电压
Railway applications-Supply voltages of traction systems
