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用家用和类似电工器具测量空气中噪音放射的测量编码.第一部分:一般要求
TEST CODE FOR THE DETERMINATION OF AIRBORNE ACOUSTICAL NOISE EMITED BY HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES. PART 1 : GENERAL REQUIREMENTS. (EUROPEAN STANDARD EN 60 704-1).
参考页数:34P.;A4
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声学词汇.声学仪器
ACOUSTICS. TERMINOLOGY. INSTRUMENTS.
参考页数:10P.;A4
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外部交流. 直流和交流. 交流电源. 空负载功率和主动模式的平均效率的测定
External a.c. - d.c. and a.c. - a.c. power supplies - Determination of no-load power and average efficiency of active modes
参考页数:7P.;A4
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超声学. 功率测量. 高强度治疗性超声 (HITU) 换能器和系统
Ultrasonics - Power measurement - High intensity therapeutic ultrasound (HITU) transducers and systems
参考页数:64P.;A4
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电声学.声级计的自由场响应校正测定法
Electroacoustics - Methods to determine corrections to obtain the free-field response of a sound level meter
参考页数:45P;A4
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声学.消音器噪声控制指南
Acoustics. Guidelines for noise control by silencers.
参考页数:57P.;A4
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基于IEC 60958的带有数字输入信号的扩音器接口
Interface for loudspeakers with digital input signals based on IEC 60958
参考页数:29P;A4
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声学.供水设施使用的器械和设备发出噪音的试验室试验.第3部分:嵌入式阀门和器械的安装和操作条件
Acoustics. Laboratory tests on noise emission from appliances and equipment used in water supply installations. Part 3 : mounting and operating conditions for in-line valves and appliances.
参考页数:13P.;A4
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扭转振动测量仪器技术要求
Technical requirements for torsional vibration measuring instrument
价格:¥0.00
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