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声学质量
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  acoustics quality
     After tveating and analysing the obtained large data, the correct conelu-sion which acoustics quality of the onvironmental noise in this district is lightpollution to sound level has been got.
     所得大量数据经处理、分析后得出该区域环境噪声声学质量为轻度污染级至良好级之间的正确结论。
短句来源
     Through analyzing the acoustics theory of TV studio,it is suggested that how to know the acoustics quality of TV studio with noise in room and reverberate time. The detail technical disposal of acoustics in rebuilding TV weather forecast studio is also suggested combined with the author′s practical experience.
     通过对电视演播室声学原理的分析,提出了室内噪声和混响时间两个演播室声学质量的衡量指标,结合作者的实践经验,提出了演播室改建中的具体技术处理方法
短句来源
  acoustic quality
     A mathematical model of acoustic optimization for engine fundamental structural parameters is established. Determination of engine fundamental structural parameters in the light of criterion of acoustic quality is realized. A new method to determine engine fundamental parameters is developed.
     建立了发动机结构参数声学优化的数学模型,第一次实现了按声学质量准则选择柴油机的基本结构参数,为确定发动机的基本参数提供了新方法。
短句来源
     Thus the acoustic quality of gym must be controlled by stages of planning, design, construction and testing.
     为保证体育场馆的声学质量,应从规划设计、施工、检验阶段加以控制。
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  相似匹配句对
     Acoustics and quality of life
     声学和人的生活质量
短句来源
     Quality.
     质量
短句来源
     QUALITY
     质量
短句来源
     Acoustic Environment Quality in Guandu District
     官渡区声学环境质量的调查研究
短句来源
     ACOUSTICS OF CONCERT HALLS
     音乐厅声学
短句来源
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  acoustic quality
Acoustic quality of hydrogenated low carbon steels
      
The effect of electrolytic saturation with hydrogen on the acoustic quality factor (Q) of low carbon steels has been studied.
      
Acoustic quality factor of an aluminium alloy for gravitational wave antennae below 1 K
      
Key signal and wood anatomy parameters related to the acoustic quality of wood for xylophone-type percussion instruments
      
In making an instrument, the practical experience of musical instrument makers ensures its acoustic quality, especially with respect to selecting the most suitable wood species.
      
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Environmental Noise Quality Assessment In West District, Chengdn, 1989was conducted according to the of the GB3222-82, It adopted the 500m×500mnetwork measurement The total nurnber of the sports weve 108. The measurement instrument, TYPE HY 104 sound-level meter, conformedto the advanced, veliable national measurement standards. The measuring dur-ation was 8:00~12:00, 14:00~20:30.Based on the measurement, the condit-ion of environmental noise in west distirict were accuvatcly masteved(domesticnoise souvce 59.2%,...

Environmental Noise Quality Assessment In West District, Chengdn, 1989was conducted according to the of the GB3222-82, It adopted the 500m×500mnetwork measurement The total nurnber of the sports weve 108. The measurement instrument, TYPE HY 104 sound-level meter, conformedto the advanced, veliable national measurement standards. The measuring dur-ation was 8:00~12:00, 14:00~20:30.Based on the measurement, the condit-ion of environmental noise in west distirict were accuvatcly masteved(domesticnoise souvce 59.2%, tvaffic noise source 29.9%, construction noise source 7.5%industry noise source 3.4%), And the trffic noise is determined as the majorsource which effects the acoustics quality of environmental noise through asse-ssment and analysis. After tveating and analysing the obtained large data, the correct conelu-sion which acoustics quality of the onvironmental noise in this district is lightpollution to sound level has been got. This article also suggests a series of feasible measuves of noise pollutioncontrol.

《1989年成都市城西区域环境噪声质量评价》按G B32222—82规定进行。布点方法为500M×500M网格布点,共布点108个。测试仪器采用符合国家计量标准的先进、可靠的HY104声级计。测量时间为8:00~12:00、14:00~20:30。测量时准,确地摸清了城西区域环境噪声的声源状况——生活声源59.2%,交通声源29.9%,施工声源7.5%,工业声源3.4%——并通过评价分析确定了影响该区域环境噪声声学质量的主要声源为交通声源。所得大量数据经处理、分析后得出该区域环境噪声声学质量为轻度污染级至良好级之间的正确结论。本文还就噪声污染的防治提出了一系列切实可行的措施。

On the basis of model of acoustic behavior prediction for internal combustion engine the effects of fundamental structural parameters for diesel engine on construction transfer behavior and noise radiation are analysed. A mathematical model of acoustic optimization for engine fundamental structural parameters is established. Determination of engine fundamental structural parameters in the light of criterion of acoustic quality is realized. A new method to determine engine fundamental parameters is developed.

在内燃机噪声预测模型的基础上详细分析了柴油机基本结构参数对结构传递特性及声辐射的影响。建立了发动机结构参数声学优化的数学模型,第一次实现了按声学质量准则选择柴油机的基本结构参数,为确定发动机的基本参数提供了新方法。

Through analyzing the acoustics theory of TV studio,it is suggested that how to know the acoustics quality of TV studio with noise in room and reverberate time.The detail technical disposal of acoustics in rebuilding TV weather forecast studio is also suggested combined with the author′s practical experience.

通过对电视演播室声学原理的分析,提出了室内噪声和混响时间两个演播室声学质量的衡量指标,结合作者的实践经验,提出了演播室改建中的具体技术处理方法

 
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