Optical fibre amplifiers - basic specification - part 1 - 3 : test methods for gain parameters - optical power meter 光纤放大器.基本规范.第1 - 3部分:获得参数的试验方法.光电仪
Optical fibre amplifiers - basic specification - part 2 - 3 : test methods for power parameters - optical power meter 光纤放大器.基本规范.第2 - 3部分:电力参数的试验方法.光电仪
Optical fibre amplifiers - basic specification - test methods for optical power parameters - electrical spectrum analyzer 光纤放大器.基本规范.光电参数测试方法.电气频谱分析仪
Basic specification for optical fibre amplifier test methods - part 7 : test methods for out - of - band insertion losses 光纤放大器试验方法基本规范第7部分:带外插入损耗的试验方法
Reflections on the general principles of the internal accounting control based on the enterprise risk management frameworks 企业风险管理框架下对企业内部会计控制基本规范的思考
Optical fibre amplifiers - basic specification - test methods for out - of - band insertion losses - filtered optical power meter 光纤放大器.基本规范.谱带外插入损失测试方法.滤光计