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level recorder     
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  “level recorder”译为未确定词的双语例句
     Design and Discussion for Level Recorder
     自记水位计的设计与探讨
短句来源
     Presents the structure and characteristics of 2000 series γ feed level recorder,and discusses the existing problems in its design and application
     介绍2000 系列γ料位计的结构、特性,并对其应用设计方面存在的问题进行探讨。
短句来源
     Error Analysis and Assesment in the Computation of Water-Level Values Obtained by Aanderaa Water Level Recorder
     安德拉水位计测量中水位值计算的误差分析和估算
短句来源
     INSTALLATION ADJUSTMENT AND OPERATING APPRAISAL OF 2000 SERIES γ FEED LEVEL RECORDER
     2000系列γ料位计安装调试及运行评价
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     The contrast analysis on precipitation rainfall level solid state memory and automatic level recorder
     雨量水位固态存储器与雨量水位自记仪的对比分析
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  相似匹配句对
     Design and Discussion for Level Recorder
     自记水位计的设计与探讨
短句来源
     The level of E.
     为探明接种E.
短句来源
     An Automatic Recorder of Hole Water Level
     钻孔水位自记仪的研制
短句来源
     the level of carbohydrates;
     碳水化合物水平;
短句来源
     (OPTICAL TAPE RECORDER)
     国外记录设备的最新发展:光带记录仪
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  level recorder
The data acquisition equipment comprised a continuous recording rain gauge, a water level recorder and an automatic water sampler capable of sampling storm runoff at preset intervals during rainfall events.
      
Peak level recorder for use in electrophysiological experiments
      
Between June 15 and August 10,1999, an Acoustic Doppler Current Profiler (ADCP) and a water level recorder (WLR) were deployed in the close vicinity of the unmanned light-vessel "Deutsche Bucht" in the German Bight.
      
In addition the breathing noise can he traced by a sound level recorder.
      
This apparatus is possible to record heterodyne wave spectrogramms in connection with a level recorder.
      
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The much discussed and controversial problem1) of ultrasonic absorption in ethyl and methyl acetates has been further investigated experimentally by the method of optical diffraction2) in progressive ultrasonic waves. In designing the equipment and throughout the measurement, special cares have been taken for the plane progressive nature of the ultrasonic field in the liquid trough, the elimination of stray light effect so that the receiver (a photomultiplier with preamplifier and a frequency analyzer connected...

The much discussed and controversial problem1) of ultrasonic absorption in ethyl and methyl acetates has been further investigated experimentally by the method of optical diffraction2) in progressive ultrasonic waves. In designing the equipment and throughout the measurement, special cares have been taken for the plane progressive nature of the ultrasonic field in the liquid trough, the elimination of stray light effect so that the receiver (a photomultiplier with preamplifier and a frequency analyzer connected in series) could respond with precision the relative light intensity of the first diffracted maxima at different stations along the ultrasonic beam, etc. Automatic recordings of sound absorption coefficients were made possible by the sound level recorder synchronized with the motion of the liquid trough. Several standard liquids have been tested; the absorption coefficients thus obtained agree well with commonly accepted values.

关于超声波在乙酸乙酯和乙酸甲酯中的吸收问题曾引起了多次热烈的争论,为此,作者采用了行波中的光衍射法做了进一步的实验研究。在实验过程中,特别注意了仪器的精确度问题,并且对许多种吸收系数已知的标准液体进行了多次重复的测量,结果很好地符合于一般的公认值,且误差不超出5%。 对于两种乙酸酯,测量的频率范围是3-30Mc,温度保持20℃。测量结果表明,在实验的误差范围内,吸收的实验值很好地落在唯象单弛豫理论所预期的曲线上,弛豫频率对乙酸乙酯约在12Mc附近,对乙酸甲酯约在7Mc附近。并且通过对不同纯度的乙酸乙酯进行重复的测量,表示杂质引起的附加吸收并不影响吸收曲线的特性。因此也就明某些作者测量得到两个弛豫频率的结果是不真实的。作者并认为Karpovich首先提出的旋转异构的理论是适合于解释这两种液体的驰豫吸收的机理的。

This paper offers some data concerning cenversational speech levels of Chinese such as (1) long term mean RMS values, (2) RMS values of four pitch tones of Chinese words, (3) peak values, and (4) RMS value in environment of different noise levels.Since conversational speech varies fast with time, and its level fluctuates within a wide range, the dynamic response of the monitor systems (VU meter, Sound Level Meter, as well as Level Recorder) have been tested in order to find a more...

This paper offers some data concerning cenversational speech levels of Chinese such as (1) long term mean RMS values, (2) RMS values of four pitch tones of Chinese words, (3) peak values, and (4) RMS value in environment of different noise levels.Since conversational speech varies fast with time, and its level fluctuates within a wide range, the dynamic response of the monitor systems (VU meter, Sound Level Meter, as well as Level Recorder) have been tested in order to find a more suitable system for statistical measurement. The results suggest that the Level Recorder is preferable for this purpose.Based on measuring more than five thousand syllables, the statistical distribution of long term speech level have been determined. Moreover, the speech powers were calculated from the so called "Talker's level" formula of Fletcher rather than from spherical wave, because of the scattering effect of head and torse must be taken into accournt.

本文为语言通信系统提供汉语自然说话的声压级和在噪声环境中说话的声压级。经大量统计,得到了统计平均值和分布范围。此外还讨论了人头及身躯散射的影响,指出以人工嘴代替真人作声源时须加指向性校正。对几种常用监测仪表在语言声压级测量中的准确性也作了对比研究。

In, the practical use of AANDERAA Water Level Recorder, apart from Water Level measuring error produced by pressure measurement, there should be other error source resulted from computation of the water level data.In this paper, factors producing these errors have been analysed and the magnitudes of all error components have been assessed roughly. According to the said analysis and assessment, a method has been proposed for selecting several main parameter values, which are used in the computation...

In, the practical use of AANDERAA Water Level Recorder, apart from Water Level measuring error produced by pressure measurement, there should be other error source resulted from computation of the water level data.In this paper, factors producing these errors have been analysed and the magnitudes of all error components have been assessed roughly. According to the said analysis and assessment, a method has been proposed for selecting several main parameter values, which are used in the computation of water level data, such as seawater density and gravity.

在安德拉水位计的实际应用中,除由压力测量引起的水位测量误差外,在水位数据的计算中,也存在着误差因素。本文分析了这些因素的误差分量,并粗略地估算了它们的大小;由此提出了参与水位值计算的几个主要订正参数的选值方法。

 
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