查询词典 precision accuracy

The main difference between precision and accuracy lies in the possible presence of bias or "systematic error".

精确性和精密度主要的不同在于可能存在的偏差或系统错误。

The design scheme of equal-accuracy digital tachometer on FPGA is proposed by using equal precision for frequency theory in this paper.

本文利用等精度测频原理，提出了基于FPGA 的等精度数字转速表的设计方案。

As a software tester, it's important to know the difference between precision and accuracy.

作为一名软件测试人员，知道"精确"和"正确"的区别是很重要的。

In this paper,the advance of precision forging parts accuracy prediction technology is systematically illustrated in the aspects of part elastic deform ation,dies elastic deform ation,die wear,therm al expansion and shrinkage of part and die.

本文从成形件的弹性变形、模具的弹性变形、模具的磨损以及热胀冷缩几个方面综合论述了精锻产品精度预测技术的研究现状及存在的问题，并对其未来可能的发展趋势进行了分析和探讨。

The accuracy of the model to meet the environmental management of water and thermal pollution control practice in the calculation of precision.

该模型的精确程度能够满足水环境管理和热污染控制的计算实践中的精度要求。

Beneath the optimization of the forging process layout the attainable precision also depends on the accuracy of toolmaking and process control.

下方的优化锻造工艺布局该达到的精度还取决于对精度的模具生产和过程控制。

In this paper, based on the programmable transconductance amplifier of the active filter design method that can realize in a certain range transconductance value of program-controlled adjustment, improve precision and accuracy regulation.

该文给出了基于可编程跨导运算放大器的有源滤波器设计方法，能在一定范围内实现跨导值程控调节，提高调节精度和准确度。

The accuracy of high precision three-axis turntable is an important guarantee to the validity of aviation simulation results.

高精度三轴转台的精度是飞行仿真实验结果有效性的重要保证。

The relative error of accuracy is 0.21%, the precision of relative windage is 0.24%, and the recovery rate is 99.93%.

其准确度平均相对误差为0.21%，精密度平均相对偏差为0.24%，方法回收率为99.93%。

Some problems of determining uranium isotope abundance by MAT-260 mass tpectrometer, especially, the influence factors on precision and accuracy are di-acussed. NBS standard samples are used for calibrating the acquisited data.

本报告介绍用MAT-260型质谱计测定铀同位素丰度，着重探讨了影响数据精确度的因素，并采用美国国家标准局样品对测得的数据进行校正，以保证其较高的准确度。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。