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- Principle of Sound Level Meter 声级计的工作原理
- Design and Manufacture of Sound Level Meter 声级计的设计与制造
- Some Issues in the Testing of Sound Level Meter 声级计检定测试中的几个问题
- Use and maintenance of sound level meter 声级计的使用与维修
- Automatic measurement of the frequency response of sound level meter 声级计频率响应的自动测量
- Experimental Research on Anti-Electromagnetic Radiation Interference of Sound Level Meter 声级计抗电磁场辐射干扰试验研究
- Random-incidence and diffuse-field calibration of sound level meters GB/T17312-1998声级计的无规入射和扩散场校准
- Adopts step wave method to measure the timeaverage sound level(equivalent continuous sound level) of the sound level meter. 采用阶梯波法;测试了声级计的时间平均声级;即等效连续声级Leq功能;并对实测值和理论值进行比较.
- SLOW:The time response of 1 second specified in sound level meter standards, used to facilitate visual averaging of relatively steady signals. 缓慢：反应的时间一秒指明声级计标准，用于促进视觉平均的相对稳定的信号。
- The overall construction of the virtual Sound Level Meter(SLM),the composition of its software system and the division of the components are int. 心电信息管理系统与虚拟式心电图仪结合 ,使其成为该仪器的一个组成部分 ,不仅提高了它的使用价值 ,也增强了仪器的功能。
- FAST:The time response of 125 milliseconds specified in sound level meter standards, used to more accurately follow rapidly fluctuating signals. 快：反应时间125毫秒指明声级计标准，使用更多准确地贯彻急剧波动信号。
- Electroacoustics -- Random incidence and diffuse field calibration of sound level meters 电声学声级仪的随机入射和散射区域的校正
- A sound level meter measures sound pressure level.It has several frequency-weighted decibel (dB) scales (A, B, C) to cover different portions of the range of measured loudness. 声级表是用来测量声压级别的，它根据声音的频率分为几个分贝级（A, B, C）。
- These flaws breach one of the three principles of sound taxation. 这些缺点打破了良好的税收政策的三条原则之一。
- We uphold the principle of racial equality. 我们坚持种族平等的原则。
- PRODUCT: TACHOMETER、 STROBOSCOPE、 SURFACE SPEED MTER、 ANEMOMETER、 SOUND LEVEL METER、 MOISTURE METER、 GRAIN MOISTURE METER、 THICKNESS METER、 COATING THICKNESS METER、 HUMIDITY METER、 DEW POINT METER、 TEMP. METER、 LUX METER ect. 主要产品：主要产品：转速表、速表、级计、噪音计）水份仪（分仪）温湿表、点仪、厚仪、层测厚仪、度表、度表、闪转表等。
- This article introduces three kinds of typical sound system disposition Constitution principle of sound system is analyzed. The material of sound system design is for reders reference only. 本文介绍了三种典型的音响系统配置，分析了音响系统的组成原理，作为音响系统设计资料仅供参考。
- Using the diagram of sound level slag-forrning, we can know clearly when the slag is slopping,drying and being norrnal during the slag-making process of converter. 利用音乎化渣图象可以清晰地看出在转炉造渣过程中何时发生喷溅，何时发生炉渣返干和何时化渣正常。
- The firm will apply the principle of last in, first out'. 公司将实行｀後来者先走＇的原则。
- To collocate the sound level meter 配用声级计
