数字通信: digital communication设备: equipment; device; facility; ...的: 4次方是 The fourth power of 2 i ...可靠性: reliability; dependability; ...要求: ask; demand; require; claim; ...和: mix; blend试验: experiment; test; trial方法: method; means; way; techniqu ...盒式磁带录音机可靠性要求和试验方法: reliability requirements and testing methods for cassette tape recorders性要求和试验方法: reliability requirements and test methods for digital communication equipment非广播磁带录像机可靠性要求和试验方法: reliability requirements and testing methods for non-broadcast video tape recorders移动通信设备安全要求和试验方法: mobile radio equipment safety requirements and testing methods电信终端设备的安全要求和试验方法: the safety requirement and test method for telecommunication terminal equipment数字通信设备环境试验方法: environmental test methods for digital communi cation equipments数字通信设备: digital communication set安全性能要求和试验方法: safety property requirements and test methods for automobile fuel tank安全要求和试验方法: safety requirements and methods for security alarm equipment技术要求和试验方法: autocatalytic nickel-phosphorus coating-specification and test methods喷嘴性能要求和试验方法: halon fire extinguishing systems-performance requirements and method of test for nozzles地面无线电导航设备环境要求和试验方法: environment requirements and test methods for ground radio-navigation equipment; environment requirements and test methods for ground radionavigation equipmentss民用设备的可靠性: commercial reliability电子琴的环境试验要求和试验方法: environmental experimental requirements and experimental methods for electronic organs船舶电站通用技术要求和试验方法: general technical requirement and testing method for marine power plant浮计用玻璃的技术要求和试验方法: technical requirements and test methods of glass hydrometers柜式气体灭火装置性能要求和试验方法: performance requirements and test methods for cabinet gas fire extinguishing equipment