精度

Based on the whole-system dynamic accuracy theory and the dynamic error decomposition and tracing theory,this paper developed a new theory of dynamic measuring-system accuracy losing diagnosis theory .

基于全系统动态精度理论和误差分解与溯源理论，提出了动态测试系统精度损失诊断理论。

The methods testing the WEP usually are torsion pendulum and free falling, the latter one is limited by the height of experiment, so the sensitivity of this method can't be improved, thus nowadays the torsion pendulum is mostly used in high sensitivity experiment.

检验弱等效原理的方法多为扭秤方案和自由落体方案，自由落体法由于受到实验高度的限制，使得在地球上的实验精度无法得到进一步提高，因此现在高精度的地面实验大都采用扭秤方案。

The ultraprecision plane is the base of precision machine tool and precision instrument. Plane precision is measured accurately is very important.

超精密平面是精密机床和精密仪器的精度基础，有效准确地测量平面精度是极为重要的。

In this article, the system transfer function is established by taking identification of system for oscillating tool carrier copying and cutting system which includes the cutting process. The method of improving the traceability and cutting accuracy of the copying system has been studied emphasis.

系统辨识在提高仿形加工精度中的应用黄耀志（福州大学机械工程系，福州，350002）摘要对包含切削过程在内的摇摆刀架仿形加工系统进行系统辨识，建立传递函数模型，重点研究提高仿形系统的跟踪能力和加工精度的方法。

The new three-high rolling stand ensured higher precision of pre-finished cylindrical pipe, which made it possible to meet the precision requirements for shaped pipes used in the nuclear power industry.

新的三棍轧制台确保了之前完成的圆形辊的高精度性，这也可以满足用于核电产业的异性钢管的高精度。

In chapter 5, we present the third-order finite volume method for the Shallow Water Equations on unstructured meshes.

第五章利用最小二乘思想，通过一次扩张模板来提高数值方法的精度，发展了在非结构网格上解二维浅水波方程的高精度有限体积法。

The high precision temperature control is very important in the modern precision measurement system; therefore, the research of high precision temperature control makes lots of sense.

高精度温度控制对于现代精密测量系统来说具有基础性的重要地位，为此研究一种有效的高精度温度控制系统就具有重大意义。

The problem with domestic single frame accuracy target is that the sensitivity and accuracy will be reduced when the frame becomes big.

目前国内已出现的单靶面激光精度靶存在靶面增大后灵敏度不够、精度不高的问题。

Particular designs for joint structure are presented. The integrative design method of joint structure and angle coders is adopted so that the mechanical structure is compact and the cost is lower. In order to lighten the swing of rotary axis of joint angle sensor, high-accuracy anglecontact ball bearing is selected.

对关节结构进行了特殊设计，采用了关节结构与角度编码器一体化设计原则，保证测量设备的结构紧凑，降低成本；选择了高精度角接触球轴承，以减小角度传感器轴系的晃动，提高测量系统的总体精度；确定了空心轴结构，使传感器信号线从中穿过，使得测量设备外观美观。

In order to ensure PC beam track's precision, it has unique formwork. The formwork is also introduced in this paper. According to the study on all kinds of force and linetype of PC beam track, the theoretical formula of inverted camber and striking angle are established.

由于其自身的独特特点，PC轨道梁最为特殊的就是其制作尺寸精度要求极高，为了保证其精度，它有比较独特的模板系统，本文也对其模板系统做了简要介绍。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。