Economic value is described and introduced are natural gas measuring characteristics and main content in natural gas measuring standards and specifications.
阐述了天然气的经济价值,介绍了天然气计量特点和计量标准的核心内容。
An experimental study is performed on the measuring characteristics of BOTDR for structural health monitoring, including dead weight tension test and optical fiber compression-tension test.
应用BOTDR检测技术对用于结构物健康监测的光纤变形检出特性进行了试验研究,包括光纤锥重拉伸试验和光纤压缩与拉张试验。
Biometric authentication is measuring physical or behavioral characteristics of a human and using these characteristics as a metric for authentication.
生物认证评测一个人的身体或行为特征,并且使用这些特征作为认证的标准。
This dissertation is mainly about repeatability, which is one of the chief characteristics of measuring instruments.
本论文主要针对作为测量仪器主要特性之一的重复性进行讨论。
Measuring particle size is to exhibit the particle size characteristics via special instruments and methods.
粒度测试是指通过特定的仪器和方法表征颗粒粒度特性。
Main tasks and relationship with other courses for the "Interchangeability and Measuring Technology" are pointed out through analysis and research on its characteristics.
通过对《互换性与测量技术》的课程特点进行分析与研究,指出了该课程的主要任务及与其他课程的关系。
Until recently, no one had tried to control for unobserved characteristics in measuring the effect of an elite education on earnings.
直到最近才有人试图核实这些被忽视的因素在衡量精英式教育对收入情况产生的影响。
The elbow flowmeter has some characteristics, such as without additional pressure loss, operational suitability for measuring dirty fluids, simple structure, low cast etc.
弯管流量计以其无附加压损、可测脏污介质、结构简单、成本低廉等特点逐渐引起人们的重视。
Lastly, the characteristics between fault outputs and measuring inputs in different subspaces have been obtained by processing off line learning.
最后,通过离线学习获得不同子空间故障输出与测量输入的非线性动力特性。
This paper introduces the study of a new ice sensor based on piezoelectric devices. The paper discusses the work principle, design of circuit and measuring operation characteristics.
介绍了一种采用压电器件为核心元件的新型冰传感器。讨论了其工作原理、测量电路设计以及测量工作特性。
A method for measuring the dynamic frequency characteristics of a system with 8031 single chip microcomputer was presented, the circuit diagram was given and the software designing was introduced.
提出了用8031单片机及相应接口电路来完成系统动态频率特性测试的方法,给出了硬件的电路原理图,介绍了软件设计。
Amplitude response is one of the main characteristics of multichannel analyzer when measuring amplitude spectrum.
幅度响应是多道分析器测量幅度谱时的主要特性之一。
High frequency inductive components - Non electrical characteristics and measuring methods - Part 1: fixed, surface mounted inductors for use in electronic and telecommunication equipment.
高频感应部件。非电气特性和测量方法。第1部分:电子和电信设备用固定的表面安装感应器。
The experimental results show that the probe has good frequency response characteristics which meet the requirement of measuring voltage distribution of thyristor in converter valve.
实验结果表明,这种探头有较好的频率响应特性,能满足换流阀晶闸管电位分布测量的需要。
The structure, working principle, measuring circuit and frequency characteristics of contact potential difference nondestructive testing equipment using fixed probe am intro - duced.
介绍了接触电位差法固定探头式无损探伤装置的结构,工作原理,测量电路及其频率特性。
When measuring the importance of a candidate cut, both the characteristics of columns and rows of this matrix should be reasonably taken into consideration.
度量候选断点的重要性不但要考虑该矩阵的列方向特征,而且还要以适当的方式考虑矩阵的行方向特征。
The dynamic measurement is a non stationary random process varying with the measuring time. The dynamic measuring data have the characteristics of time variation, randomness, correlation and dynamic.
动态测量是随测量时间而变化的非平稳随机过程,动态测量数据具有时变性、随机性、相关性和动态性四个基本特性。
Based on the measurement process and learning of measuring error, a novel method evaluate the static characteristics of the nonlinear transducer by using the limit point.
基于对测量过程、测量误差的认识,提出了一种利用极限点法的评估非线性传感器静态特性的一种新方法。
By measuring current voltage characteristics and observing light emission of these diodes, electron emission feature of these diamond powder cold cathodes were investigated.
通过该结构电流电压特性的测量和发光特性的观察研究了金刚石粉末冷阴极的电子场发射性能。
This article introduced an experimental device for measuring the fluid flow characteristics in the horizontal pipe and short swirling chamber.
介绍一套测量水平圆管和短式旋风筒内流体流动特性的实验装置。
Eddy current testing for measuring rebound clearance of aluminum skin caused by bending is described including its basic principles, characteristics and the design of measuring circuit and software.
介绍应用涡流检测技术测量铝蒙皮拉弯成型回弹量的基本原理与特点,以及应用系统机实现测量的电路设计与软件编制。
The principle of the laser scanning system, principle of triangulation measuring method, the structure characteristics and the relative affairs about surface fitting of laser scanner are introduced.
介绍了激光扫描系统的原理,三角法测量原理,激光扫描仪的结构特征以及曲面拟合有关问题。
We can monitor many parameters and characteristics by measuring TEN, such as surge frequency, spectrum width, threshold current, mode jump and stability of output light power.
通过对激光的电噪声的测量可以监测激光器的诸多参数和特性,如弛豫频率,谱线宽度,阈值电流,模式跳变及输出光功率是否稳定等。
A method for measuring the phase characteristics of ultrahigh frequency modulating light by optical phase shift is proposed. It has the properties of high precision and strong practicability.
提出采用光学移相办法测量超高频调制光相位特性的一种方法。它具有精度高、实用性强等特点。
A method for measuring the phase characteristics of ultrahigh frequency modulating light by optical phase shift is proposed.
提出采用光学移相办法测量超高频调制光相位特性的一种方法。
Waveform analyzer is one of the most important signal measuring instruments, which can accurately analyze the characteristics of the signal in time-domain and frequency-domain.
波形分析仪是最重要的信号测量仪器之一,可以对信号时域特性、频域特性以及相关特性作高精度分析。
A method of measuring vibration isolator's shock characteristics is advanced.
提出了一种测量隔振器冲击特性的方法。
When frequency sweeping method being used properly for measuring amplitude-frequency characteristics, the analysis and estimation of errors in measurement results could be avoided.
正确使用扫频法测量幅频特性,可以避免大量测量结果中误差的分析与估算。
This provides an important measuring means for studying the dynamic characteristics of hydraulic elements and systems and for developing new instantaneous flowmeters.
这种测量装置为进一步研究液压元件、系统的动特性,并为开发新的瞬态流量计提供了重要的测试手段。
This provides an important measuring means for studying the dynamic characteristics of hydraulic elements and systems and for developing new instantaneous flowmeters.
这种测量装置为进一步研究液压元件、系统的动特性,并为开发新的瞬态流量计提供了重要的测试手段。
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