Such alterations to reduce sound level will be charged to Buyer separately.
这些用于减少声音等级的变化将向买方单独报价。
Portable sound source for calibration of sound level meters and sound measuring system.
的便携式声级计和校准声源声测量系统。
The study was undertaken using a sound level meter operated by a passenger in each car tested.
研究用这样的方式进行：每辆接受测试的汽车的乘客开启声音强度测试仪。
The effect of slag splashing is some concerned with the sound level of the nitrogen flow.
转炉溅渣效果与吹氮音平值有一定的关系。
Some factors that affect the sound level of the noise emitted from a three-channels nozzle were investigated.
研究了影响三通道喷嘴噪声声级的相关因素。
At the sound level, modern poetry differs from traditional poetry in using line breaks and punctuation marks.
从语音层面上看，现代诗歌由于分行排列和标点符号的引入形成了迥然区别于传统的“现代诗韵体系”；
In addition, television stations always operate at the highest sound level allowed for reasons of efficiency.
此外，考虐到效率原因，电视台经常使用被许可的最大音量播出。
Compared of different contributions of the tread vibration and the web vibration on sound level of railway noise.
对比分析不同激振情况下，踏面径向振动与辐板轴向振动对噪声声压级的贡献比例。
Invalid pump operation is often disturbance caused by sound level measurement and indicator diagram for diagnosis.
无效的泵运转常是气干扰造成的，可通过声波液面测量和示功图进行诊断。
The instrument is formed by IPC, exact sound level metre, data sampling card and software for sampling and analysis.
该装置由工控机、精密声级计、数据采集卡以及相应的采集和分析软件构成。
Conclusion Recording sound level meter can be well used to measure and assess noise exposure in complicate working environment.
结论个体噪声暴露测量可以较好地解决现场复杂情况下的噪声暴露评价问题。
Conclusion the average equivalent sound level maybe as comprehensive index to evaluate the noise hazard in industrial enterprises.
结论平均等效声级可以作为评价和比较工业企业的噪声危害程度的综合指标。
One major contributor to the perceived loudness of commercials is that much less variation in sound level occurs during a commercial.
能造成广告这种高音错觉的一个主要的高招是使广告中的音量变化极少。
The influence of wind velocity on noise measurement of sound level has been introduced and the permitted wind velocity has been determined.
介绍了风速对噪声声级测量的影响，确定了噪声测量的风速允许值。
Objective To compare the virtues and disadvantages between the measure results using individual dosimeter and sound level meter respectively.
目的比较个体计量仪与声级计评价挡车工噪声暴露的异同。
Conservatively designed, the sound level is very low, making the Spang transformer desirable for indoor applications in commercial buildings.
保守的设计，声音很低，使斯潘变压器理想的商业楼宇的室内应用。
With integration of DDS and computer technology, the tone burst instrument is well designed to meet the new testing standard of the sound level meter.
将DDS技术与单片机以及计算机技术结合，运用到猝发声仪器的设计中，实现了符合新的声级计检测标准的猝发声仪器的开发。
You can check the average sound level of the area around you, which might be handy if you're house-hunting or simply looking for a quiet spot to relax in.
用户可以。用户可以检查附近区域的平均音量，这在买房或是寻找安静休憩地点时十分适用。
All kinds of methods measuring noise have been produced and A-weighting sound level is extensively used as a kind of fundamental measure in all of the world.
针对不同环境下的噪声国际上提出了很多评价方法，目前为世界上广泛应用的是以A声级作为基本评价量的评价方法。
According to error analysis of sound level measurement and practical case some objection was raised to levy standard on Noise Exceeding Environment standard.
依据声级测量的误差分析，结合实例，对国家现行《超标环境噪声排污费征收标准》提出异议。
In this article we introduce a method named "reference sound level calibration", and this article briefly presents and illuminates how to realize this method.
文章首次提出“参考声级校准法”的概念，并利用数字校准的方式实现了自动声级校准，对“参考声级校准法”实现方法作了简要的说明与阐述。
The passenger took a series of between eight to 10 sound level measurements at various points in the journey from the position of the driver's left ear, at various speeds.
乘客带有八到十个声音强度测试仪，在旅途中放在距离驾驶员左耳不同的位置，在不同的车速下，进行测试。
It presents recommended levels and frequency characteristics for the inductive field at the telephone earphone relative to a sound level presented at the same earphone.
该条给出了电话耳机处相对于该耳机发出的声压级的，所建议的感应场的强度级和频率特性。
The a sound level on influencing humans' hearing sense normally adopt as an index in current noise assessment standards, though psychological and mental influence is neglected.
现有噪声标准一般采用基于对人听觉影响的A声级作为评价量指标，而忽视了噪声对人的心理和精神方面的影响。
Results The average equivalent sound level and the detectable rate of workers hearing loss were exponential positive correlation, the coefficient of correlation r was 0 812 45.
结果听损检出率随平均等效声级的增加而呈明显的增加趋势，平均等效声级与噪声作业人员的听损检出率呈密切的指数正相关关系（相关系数r为0 812 45 ）。
Then use this model to predict equivalent continual sound level of road traffic noise, the fluence factors as the traffic flowing and the equivalent acoustic levels were output.
并运用该模型预测道路交通噪声的等效声级，把预测因子作为样本输入到网络模型，噪声等效声级作为样本输出。
Aiming at the traffic noise problem of Lhasa, the author USES artificial neural network theory and method to predict the equivalent consecutive sound level of traffic noise in Lhasa.
针对拉萨市道路交通噪声污染问题，运用人工神经网络理论和方法对拉萨市道路交通噪声的等效连续声级进行预测。
Methods the sound level and frequency were measured according to the corresponding health criterion and measuring method at big production equipment, crush room, control room and workshop.
方法是根据有关卫生标准及检测方法对生产设备、休息室、控制室等作业场所进行声强和频谱的测量。
This simulator has several advantages, e. g. low frequency, high power, and its transmitting sound level is adjustable, which could meet the engineering demands of kinds of open sea tests.
模拟器具有低频、大功率等优点，并且发射声源级可调，可满足多种海上试验的工程需要。
This simulator has several advantages, e. g. low frequency, high power, and its transmitting sound level is adjustable, which could meet the engineering demands of kinds of open sea tests.
模拟器具有低频、大功率等优点，并且发射声源级可调，可满足多种海上试验的工程需要。
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