Precision measurements of this sort are fraught with difficulty and other sources of error may have crept in.
这一类精密测量总是有许多困难，一些人们未曾预料到的其他误差源可能影响结果。
Normally when or 10 years ago, if an astronomer told you that he was making measurements to a precision of five parts in a million, you would just laugh.
通常在10年前，如果一个天文学家告诉你，他的测量精度是百万分之五，你只会哈哈大笑。
Objective. To measure the accuracy and precision of such measurements in comparison with a standard method.
目的：通过与一种标准方法对比以评估这种测量方法的准确性和精确度。
In particular, Section 3.2 discussed a number of error sources that can seriously affect precision measurements.
特别是第3.2节讨论了能够严重影响精密测量的各种误差源。
Precision capacitance measurements and an Opens Circuit Locator (OCL) are standard features of the CKT1175-10.
KT1175-10型仪器的基本功能还包括精密电容测量和开路定位器（OCL）。
The precision of an analytical procedure is usually expressed as the standard deviation or relative standard deviation (coefficient of variation) of a series of measurements.
分析规程的精密度通常以一系列测量数值的标准差或相对标准差(变异系数)来表示。
Testing power supply is a kind of advanced power supplies used in precision measurements.
测试电源是一种专供计量检定和精密测试用的高级电源。
This system improves measurement precision by averaging the testing values of repeated measurements.
系统采用多次测量取平均值，大大提高了测量精度。
Preliminary results indicate that the use of internal reference tissues with the histogram technique may improve reproducibility of scan-to-scan measurements as well as inter-scanner precision.
初步结果显示，使用内部参考组织与直方图技术，可提高重复性的扫描，以扫描测量以及跨扫描仪的精度。
The paper presents a high speed & high precision data transmission system that solves the electromagnetic interference problem in wire data transmission of FOG performance measurements.
介绍了高速高精度无线数据传输系统，解决了在光纤陀螺性能测试中有线数据传输的电磁干扰问题。
The most effective method is the direct (non iterative) solution of power flow using PMU measurements with high precision.
其中效果最为显著是应用pmu高精度测量值的潮流方程直接求解方法，该方法不需迭代计算。
This paper presents two methods of using double servo accelerometers to make precision model attack angle measurements in wind tunnel testing.
提出采用双伺服加速度计同轴和垂直系统的两种方法，能够解决风洞模型攻角传感测量中的抗振动干扰问题。
As for the measurements with enough precision, the measurements of PMU are regarded as state results directly.
PMU精度足够高时，直接将P MU的量测值作为状态估计的状态解，PMU所在节点的电压相量不参加状态估计。
Numerical results show that the present method not only has high precision and good stability, but also has powerful capability to restrain noise of measurements.
识别结果表明，本文方法不仅具有较高的计算精度和良好的数值稳定性，并且具有一定的抑制数据噪音的能力。
These new effects have great potential for the control of the coherence properties of a medium, the production of high frequency lasers, the information storage and high precision measurements.
这些新效应对光学介质相干性质的控制、高频激光的产生、光信息存储和高度测量等方面具有巨大的应用前景。
This single period layered phase grating, which has been tried out successfully for the first time by our institute, provides a kind of new element for the precision measurements.
由本院精密计量室初试成功的单周期层状位相光栅，为精密测试提供了一种新元件。
Through the practical measurements of two types of fixed delay line and a tapped delay line, some procedures for increasing measurement precisiOn are obtained.
对两种固定延迟线及轴头延迟进行了具体测试，总结出了一些提高测试精度的方法。
The accumulation of damage in the composites is quantified through high-precision density measurements before and after compression.
测定了这些复合材料的静、动态压缩性能，并通过材料压缩前后密度变化的测量，定量表征了材料的累计损伤。
Conclusion Practice of periodontal probing on periodontal pathological model was helpful to enhance the precision of the measurements of probing depth and the level of periodontal probing technique.
结论采用牙周病理模型进行探诊基本训练有助于学生掌握牙周探诊技术，提高探诊准确性，从而为进入临床实习打好扎实基础。
The Ultra Precision Benchtop 3D Optocal Profiler brings high performance optical measurements within the reach of both precision manufacturing and research companies.
在超精密台式三维Optocal探查带来了高性能既属于精密制造技术和研究公司达成光学测量。
Spin squeezing means the existence of entanglement in the system, at the same time means that we can get more high-precision measurements.
自旋压缩意味着系统存在纠缠，同时意味着可以得到更高精度的测量。
In addition, we can measure and control the precision delay of femtosecond magnitude by this system, and achieve light to light conversion in delay measurements of two beams light.
另外，我们还可以根据上述系统对两束光的延时实现飞秒量级的精确测量和利用光光转换实现对两束光延时的准确控制。
Floating measurements are one of high precision measurements with suppressing differences between grounds or common mode Voltages.
浮地测量是抑制地电位差或共模电压的一种高精度测量。
These devices are very adaptable for space use in very high precision measurements of Angle through VLBI and of range and range-rate through Doppler techniques.
这些装置对空间vlbi高精度的角度测量以及多普勒技术高精度测距和测速是非常适用的。
Beside the excellent precision of the measurements also the high degree of automation and sample throughput are fundamental.
精密度，该仪器还具有自动化程度高、高通量测定的特点。
The precision measurements of the load-point displacement showed that the process is a continuous or quasi-continuous one.
施力点位移的精细测定证明环境断裂过程是连续或准连续的。
The calculating methods of feeding efficiency and precision are presented for this equipment. The effect factors are analyzed for feeding precision, and the measurements are proposed.
给出了定量螺旋给料机的送料效率和送料量的计算方法，并分析了影响送料精度的因素及解决措施。
A novel method named Fuzzy Least Squares method of System Identification is proposed for processing the data got from measurements with identical precision.
提出了一种新的系统辨识的方法——模糊最小二乘系统辨识法。
A novel method named Fuzzy Least Squares method of System Identification is proposed for processing the data got from measurements with identical precision.
提出了一种新的系统辨识的方法——模糊最小二乘系统辨识法。
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