精度

Ray attenuation law ; mass absorption coefficient ; mixture density ; measurement precision

射线衰减规律；质量吸收系数；混相密度；测量精度

Xi'an Dongfang Mech Group Company Abstract : A high precision data collection system is designed by using 24 bits ADC which has the function of self - calibration and signal processing.

扩散硅压力传感器及变送器参数测试系统：采用具有自校验和信号调理功能的24 位ADC ，开发设计了一种高精度数据采集系统。

Two main impact factors on accuracy of electronic balance are discussed based on its working principle: acceleration of gravity and temperature variation.

从电子天平的工作原理出发，探讨了影响电子天平称量精度的2个主要因素：重力加速度和温度变化。

Results The accuracy of time synchronization about acceleration sensors was less than 1 millisecond.

结果 周期性腿动无线传感器彼此之间的时间同步精度小于1m s。

Furthermore, the influences of change of an accelerometer accuracy on SINS navigation errors are analyzed.

此外，分析了加速度计精度的变化对短时间工作的捷联惯导系统导航误差产生的基本影响。

In rough sets based on accessible relation, we merge rough set theory and accessible relation into one model. Compared with classical rough set models(including Pawlak rough set model and various precise rough set model), the new model is more general.

基于可达关系的粗糙集模型是将可达关系应用于粗糙集理论中，这种模型比传统的粗糙集模型(Pawlak模型和可变精度粗糙集模型)更一般，将粗糙集理论推广到一般的方法论。

Each step of compensation is guided by accessorial explain and the automatic calculation and automatic adjusting of parameters are realized.

引言传感器(特别是硅压阻式传感器)的温度误差在其总误差中占有很大的比重，温度补偿的好坏直接影响着传感器的总精度。

Except high efficiency, cutting machines also possess the advantage of high accuracy, especially the precision cutting machines, thus the production period can be shortened and accident at work can be reduced so both the factory and workers can be benefited.

除了效果高以外，裁剪机同时还具备正确率高的长处，额外是高精度裁剪机，这样一来便可缩小生产周期，裁减工伤事件，对工场和工人来说都是有益处的。

It can solve such problems in traditional systems as great intensity of labor force, low test efficiency, bad environment and low precision, and it can reduce accident rate and maintenance cost of oil pump units.

该系统可以解决传统输油泵机组测试系统中操作人员工作强度大、测试效率低、环境差、测量精度低等问题，降低输油泵机组的事故发生率和维护成本。

The ultrasonic-rebound curve can reduce the accidental error, and thus increase the precision of concrete strength measurements.

提出一种新的模糊回归数据融合方法的超声回弹测强曲线，此测强曲线可以减小偶然误差，提高检测的精度。

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。