讨论了半空间中均质地层电导率对仪器常数刻度值的影响。
The influence of conductivity of homogeneous formation on the calibrating value of the tool factor in half space is discussed.
陀螺全站仪定向中，仪器常数的稳定性直接影响到定向结果的可靠性。
The stability of apparatus constant will directly influence on the stability of the result in the orientation of gyrotheodolite.
对各种误差的影响性质和大小做了全面的分析，细致地讨论了仪器常数的内容。
Discussion is also made on the property and magnitude of various errors as well as the implication of instrumental constants.
地震计是一种地震仪器，其物理常数是已知的。
A seismometer is a seismograph whose physical constants are so well known.
这是由于仪器中不同金属的结点具有不同的热时间常数所致。
This is the result of dissimilar metal junctions in the instrument with different thermal time constants.
其次，低阻值电阻器降低了输入时间常数，使仪器的响应时间更短。
Second, lower resistor values reduce the input time constant and result in faster instrument response time.
利用DR—1型处理机分解混合物光谱时，要注意仪器有关参数的选择及程序中常数的确定。
When the spectrum of the mixture is decomposed by the use of dr-1 type processor, select the related parameters of instrument and determine the constants in program.
根据普朗克定律，推导出仪器的输出电压是扩展源辐射亮度的单调增函数和常数的乘积。
Based on the Planck principle, it is deduced that the BIIR output voltage is the product of a constant and a monotonic increasing function of radiation luminance from the extended sources.
介绍了新型普朗克常数测定器的主要技术指标，并介绍了用该仪器演示光电效应现象和测定普朗克常数的方法。
This article introduces the technical index about the measurer of a new Planck constant and the methods of demonstrating photoemission phenomenon and measuring Planck constant.
叙述了在自动控制、仪器仪表、信号变换以及传感器信号采集与处理等电路中实现大时间常数的一种新方法。
This paper introduces a new method for implementing the long time constant in the circuits of automation, apparatus, signal conversion, collecting and processing of sensor's signal, etc.
光电测距仪（含全站仪）的加常数是仪器测量结果的改正项目，是仪器检定项目非常重要的一项。
The additive constant of the electro-optical distancemeasuring instrument and the total station instrument are the correction of the survey results using these instruments.
光电测距仪（含全站仪）的加常数是仪器测量结果的改正项目，是仪器检定项目非常重要的一项。
The additive constant of the electro-optical distancemeasuring instrument and the total station instrument are the correction of the survey results using these instruments.
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