精度

The cause occurred the burr in the external surface of spinning tube was analyzed.

通过对圆筒旋压过程工件外表面出现有规律状的毛刺产生的原因分析，提出了加工高精度的旋压毛坯是旋压高精度工件必要条件。

We guarantee that the dimensional precision of deep boreholes and surface precision meet the requirements by conducting the research on the processing approach of the spiracle conduit of the internal combustion engine and by grinding the deep boreholes with grinding heads of minor diameter and deep bo...

通过对内燃机气门导管的加工方法研究，采用小直径的深孔珩磨头进行深孔的珩磨，能够保证深孔加工的尺寸精度与表面精度要求，加工质量达到了良好效果。

EpS0N of nozzle is a high-precision nozzle Xaar and Spectra of the sprinkler head nozzle is low precision.

EpS0N的喷头属于高精度喷头Xaar及Spectra的喷头属于低精度喷头。

Research is made on adopting the bipacth measurement to survey the line scale errors and the least square method to deal with dare in order to increase the precision of the original data.

研究了采用双节距法测量直线度误差，并用最小二乘平差方法进行数据处理，从而提高了原始数据的精度，通过比较该法与传统方法的精度差异，说明该法的正确性和可行性。

According to experts, hot-rolled seamless pipe high-quality round steel, square steel, six-angle deviation of the size of ordinary high accuracy and precision of two kinds.

据无缝管专家介绍热轧的优质圆钢、方钢、六角钢的尺寸偏差有普通精度和较高精度两种。

To improve the simulation accuracy and to make the increment of computation amount the smallest, the quantitative comparison was used to compare the effect of incident direction and difference accuracy on numerical dispersion with the changing of the ratio of horizontal and vertical gird. The results show that the rectangular grid is better than square mesh in suppressing dispersion and can avoid the low computational efficiency caused by high-order difference.

为提高模拟精度，同时又尽可能减少计算量，采用定量分析的方法，对比分析了横纵网格比变化时入射方向和差分精度等因素对数值频散的影响，分析结果表明，矩形网格较之正方形网格能更好地压制频散，同时可以避免高阶差分导致的低计算效率。

With a practical example,the accuracy inspection and statistical analysis of spatial data are discussed. And by means of superimposition of the different types of spatial data, the relative accuracy of the data can be inspected and the errors reduced effectively so that the quality of the spatial data is improved.

最后结合实例着重介绍了空间数据的精度检测和统计分析结果，提出了利用不同类型空间数据的叠加来检测数据相对精度，并能有效地削弱空间数据误差进而提高空间数据质量的方法。

Ozone vertical distribution probe is one of the aviliable loads of FY-3 satelite. It is an important work to check up its radiance calibrations precision,instrument precision ,statoscope and dynamic rage at the endgame of its meanufacture.

长春光机所研制的FY-3气象卫星臭氧垂直探测仪和北京空间中心研制的FY-3气象卫星臭氧总量探测仪是FY-3气象卫星两个主要有效载荷，为保证两载荷在轨运行期间重叠数据的一致性，正样研制前对其进行光谱辐照度和光谱辐亮度定标精度、仪器精度、灵敏度、动态范围等性能的验证是十分重要的环节。

In finally, the reliability and stepper accuracy of this new control system are tested.

最后本文又通过实验对这个系统的可靠性和步进精度进行了测试，实验结果表明该系统能够满足用户的定位精度要求，有效的抑制了运行噪声和机械振动。

The results of forecast experiments show that the numerical model have fine forecast function, and that period of validity and accuracy of storm surge forecast depend on those of typhoon parameter prediction to a great extent.

预报结果表明本数值模式具有良好的预报功能，并指出其风暴潮预报时效和精度在很大程度上取决于热带气旋气象预报的时效和精度。

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。