微型扬声器主要性能测试方法
Methods of measurement for main characteristics of micro-speakers

2018-04-30

Нанотехнологии. Наносуспензии для методов in vitro. Основные характеристики и методы измерений
纳米技术 用于体外方法的纳米混悬剂 主要特点及测量方法

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声表面波器件 类型 主要参数和测量方法

应急声系统设备主要性能测试方法
Methods of measurement for main characteristics of equipments of sound systems for emergency purposes

2017-05-31

声系统设备 第5部分：扬声器主要性能测试方法
Sound system equipment - Part 5: Methods of measurement for main characteristics of loudspeakers

2011-10-31

Standard Test Method for Vertical Rebound Characteristics of Sports Surface/Ball Systems; Acoustical Measurement
运动表面/球系统垂直回弹特性的标准试验方法；声学测量

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Methods of measuring the energy consumption of electric mains operated household refrigerators, frozen food storage cabinets, food freezers and their combinations, together with associated characteristics
家用电冰箱、冷冻食品储藏柜、食品冷冻柜及其组合的能耗测量方法 以及相关特性；德文版EN 153:2006

2006-05-01

Methods of measuring the energy consumption of electric mains operated household refrigerators, frozen food storage cabinets, food freezers and their combinations, together with associated characteristics
家用电冰箱、冷冻食品储藏柜、食品冷冻柜及其组合的能耗测量方法及相关特性

2006-10-25

高静水压下 2 kHz～60 kHz 大功率水声换能器特性测量方法
Methods for measurement of performance characteristics of high-power underwater acoustic transducer in the frequency range 2 kHz to 60 kHz at high hydrostatic pressure

2016-01-19