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   measurement is 在 仪器仪表工业 分类中 的翻译结果: 查询用时:0.254秒
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measurement is
相关语句
  测量
    Displacement measurement is the most elementary and most important measurement in mechanical field.
    长度测量(又称位移测量)是机械行业测量中最基本、最重要的测量
短句来源
    In the third and fourth chapter, the front end of measurement is realized.
    在随后的第三章、第四章详细阐述了虚拟无纸记录仪的测量前端的软件和硬件实现。
短句来源
    Ultrasonic flow measurement is one of application technique in industrial measurement.
    利用超声波测量流体流量是超声波在工业检测中发展较早的应用技术之一。
短句来源
    5. The model of instrument is finished, the resolving power of instrument is:0.25mm, the scale of measurement is 0-10m.
    5.完成了仪器样机,测量分辨力:0.25mm,测量范围:0-10m。
短句来源
    In order to make sure the high precision,the part of measurement is composed with the Pt1000 platinum resistance temperature sensor and the 24-bit A/D converter.
    仪器采用Pt1000铂电阻温度传感器和24位的A/D转换器组成测量部分,保证了测量的高精度。
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  测量是
    3D measurement is a basic process, and data processing is one of the most important processes in reverse engineering, which affect the quality of product.
    三坐标数据测量是逆向工程的基础,而三坐标测量数据处理则是其中的一个重要环节,在很大程度上制约着逆向造型的质量和效率。
短句来源
    Contact measurement is most widely used in engineering surface measurement at present.
    接触式测量是目前工程表面测量中应用最为广泛的一种。
短句来源
    Angle measurement is one of the most important parts of metrology, which is used widely in industrial production and the scientific research domain.
    角度测量是计量科学的重要组成部分,广泛应用于我们的工业生产和科学研究领域。
短句来源
    Flame temperature measurement is a complicated and difficult problem.
    火焰温度测量是一个复杂而困难的问题。
短句来源
    By using the intrinsic temperature fluctuations in flowing fluid the basic principle of cross correlation flow rate measurement is presented. The variance estimation of the measurement of transit time is discussed. A prototype of the measurement system is developed.
    利用流动流体内固有的温度脉动信号进行流量相关测量的基本原理,讨论了渡越时间测量的方差估计.在此基础上,设计了测量系统的原理样机,以该样机对流量相关测量进行了实验研究.结果表明:利用该样机来实现流量的相关测量是可行的;
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  “measurement is”译为未确定词的双语例句
    The resolving power of this meter is 0.2 micron and range of measurement is 1000 micron.
    该测量仪的分辨力小于0.2m,量程1000m。
短句来源
    The repeatability for irradiance measurement is ±1.5% to ±2.0%. .
    辐射照度为±1.0%~±2.0%。
短句来源
    The uncertainty of thermal conductivity measurement is estimated to be ±2.5% at 300 K,±2.0% at 200 K,±1.1% at 100K and ±4% below 35 K.
    测量的不确定度在300K时为±2.5%,在200K时为±2.0%,在100K时为±1.1%,在35K以下小于±4.0%。
短句来源
    The measurement range is 5000~15000 K and the uncertainty of measurement is 2.2 %.
    测温范围为 5 000—15 000 K,不确定度约 2.2%。
短句来源
    The time resolution for measurement is currently expanding to 200 fs, thatis, 200×15~(-15) s.
    现在,测量的时间分辨率正向200飞秒,(即200×10~(-15)秒)的指标推进。
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  measurement is
An effective approach combining theoretical analysis and mathematical calculations with experimental measurement is presented in this paper to determine the grinding area and allowance for compensating the boresight error performance of the radome.
      
Compared with the method via non-modulated electron beams, the instrument of measurement is simplified.
      
It is predicted that the superposition persistence time will increase if the measurement is carried out with a low accuracy and a minimum variance.
      
A method of SEM linear measurement is proposed in which the reference marker displayed on the screen is used as a standard.
      
The sensitivity of this method can be high because frequency measurement is one of the most accurate measurements in physics and metrology.
      
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A method of laser interference measurment of vibration is described- method of phase interpolation and modulation.This method is applied to measure the amplitude of high frequency vibrator and to calibrate accele- rometers of high frequency.Measuring amplitude range of this system is 1500Ato 500A.Accuracy of measurment is 0.6% to 2%。The measurement is automatical recorded by a specialized electronic computer.

本文叙述一种激光干涉测振方法——相位细分调制法。该法可用于测量高频振动台振幅、校准高频加速度计,该系统测量的振幅范围为1500A到500A,测量准确度为0.6到2%。测量结果用专用电子计算机自动记录。

In this paper, high precise measuring principle of the pitch error for spiral bevel gears and the new technique used in the instrument are described. The pitch error is an important item in gear accuracy. Most measurements ofthe pitch error are carried out by comparative measuring principle. As the compara-tive measurement is used for a spiral bevel gear, two feelers can not be set atthe same position in two adjacent corresponding flanks. However, because the pitcherrors at various position of the face...

In this paper, high precise measuring principle of the pitch error for spiral bevel gears and the new technique used in the instrument are described. The pitch error is an important item in gear accuracy. Most measurements ofthe pitch error are carried out by comparative measuring principle. As the compara-tive measurement is used for a spiral bevel gear, two feelers can not be set atthe same position in two adjacent corresponding flanks. However, because the pitcherrors at various position of the face width are not equal so that the pitch errorsin the gear can not be indicated truly by the measured data. The absolute measur-ing principle is employed in our instrument. A precise moire-fringe grating isused. The pitch error can be measured automatically. This instrument is suitable forbevel gears with various reference angle, cylinder gears with various profile (in-cluding shaving cutter, slotting tool) and index plates etc. δt_∑ is recorded on a pa-per chart. The δt_P and δ_xt are printed. A frequency multiplier with phase-locked loop is used to obtain 1000 frequen-cy multiplication for moire-fringe signal so that the quantizing error of the pulsecould be reduced. A "multiply Z counter" is used. All kinds of tooth number canbe measured. The stepless multiplier which is made up of a "multiply Z counter"and a "phase-locked tracking frequence multiplier" may be used for other cases. Aspecial-purpose digital computer which is consisted of decade counters has been de-veloped.

本文对相对法及绝对法测量弧齿锥齿轮的齿距误差的精度进行了分析与比较。相对法远不能满足弧齿锥齿轮高精度测量的要求。而绝对式半自动测齿仪和单啮仪,只能测量圆柱齿轮。研制的“光栅式齿距误差测量仪”,适用于弧齿锥齿轮的测量。本文论述了该仪器的工作原理,对仪器分度装置、锁相倍频器、乘Z计数器中的某些精度问题进行了分析,介绍了用简单计数电路实现在一定范围内各种齿数的测量,采用计数器代数运算电路计算△t_∑(△t_(∑i))、△t_p、△_xt。该仪器还适用于对圆柱齿轮、圆锥直齿轮、蜗轮等的测量。

This paper describes a precision microhardness tester which is used as the provisional primary standard.The loading process and the duration of loading are controlled automatically.The magnification of the microscope used for indentation measurement is 640.There are six loading stages which are 50, 100, 200, 300, 500 and 1000 grams.The measuring accuracies are better than ±1.0% at 1000g, ±1.5% at 500g, ±2.0% at 200g and ±3.0% at 50g (below HV500) respectively.

本文介绍一台高精度显微硬度计,它已确定作为显微硬度临时基准使用。其加卸荷过程以及负荷保持时间全部系自动控制。测量压痕用的显微镜放大倍率为640倍。负荷有50、100、200、300、500和1000克六级。准确度分别优于±1.0%(1000克)、±1.5%(500克)、±2.0%(200克)和±3.0%(50克,HV500以下)。

 
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