查询词典 precision accuracy

The system's accuracy depends on improving the accuracy of the laser centroid algorithm.

本文还提出了对单条线激光测量数据进行分段处理的新算法。

The work in this dissertation provides a systematic approach for evaluating the accuracy of the laser-cooled cesium fountain frequency and a basis for the design of the standard and the improvement of the accuracy.

本文的工作为正确评定激光冷却与囚禁铯原子喷泉频率基准的准确度提供了系统的理论与方法，为铯原子喷泉频率基准的设计和进一步提高其准确度提供了依据。

This paper proposes to make use of the probability circle method used for missile accuracy evaluation in the AUV s guidance accuracy assessment.

该方法根据批次试验中，落入对应一定概率的概率圆中的次数做出该批次产品是否满足制导精度的判断，并给出使用方和研制方的风险分析。

To improve the accuracy, as to the hardware, the quality of composite polymer films and adjustment of light path were controlled strictly, including cleanout of base, synthesis of solvent, filtering of solvent, preparation of the films and control of picturing. As to the process of picturing, adding gauge, foreground and background, many exposals in same angle were used, and the area of the films to measure was also chosen. As to software, picture analysis was mainly used to improve accuracy.

为了提高测量精度，在硬件方面严格控制复合聚合物薄膜的质量和光路的调整，包括：基片的清洗、溶液的配制、溶液的过滤、薄膜的制备、和摄像的控制等等，在采集图像的过程中，通过加标尺、测量前景和背景、同一角度下的多次曝光、薄膜测量区域的选择等等措施来消除误差；在软件方面提高测量精度方法主要采用图像处理的方法，并用自编的软件处理数据。

After testing, two borehole coordinate setting-out of the plane in line with accuracy of better than 6 cm, outer line with accuracy of better than 20 cm, in order to carry out drilling operations drilling team to provide a precise location.

经检测，两个钻孔坐标放样的平面内符合精度优于6厘米、外符合精度优于20厘米，为钻探队伍开展钻井作业提供了精确位置。

The coordinate transformation and numerical integration was executed on the discretized tetrahedral elements based on which the 3-D MT vector-finite element method was implemented. A whole computation framework for 3-D vector-finite element method with unstructured mesh was given. Based on this some typical models were tested which has demonstrated that our algorithm could distinctively avoid problems caused by the fake solution and both the accuracy and efficiency were enhanced which made our algorithm has a bright future for further application.3. According to theory of Sobolev vector space and the discretization of Helmholtz space, the error estimate which was suitable for 3-D MT vector-finite element modeling was deduced by which the procedure of adaptive technique was guaranteed.4. Based on the fully unstructured tetrahedralization and optical strategy, the 3-D magnetotelluric h-adaptive vector-finite element method was presented through combining the error estimate. With this work, the accuracy and creditableness for 3-D MT complicatedly modeling was guaranteed.5. The 3-D magnetotelluric h-adaptive vector-finite element algorithm with unstructured mesh was implemented.

针对非结构化的四面体单元，采用坐标变换和数值积分方法，实现了MT三维矢量有限单元分析，建立起基于非结构化网格的三维MT矢量有限元计算流程，并对典型模型和国际标准电磁模型进行了数值模拟，结果对比和分析表明，基于非结构化网格的三维MT矢量有限元不仅消除了节点型有限元的伪解，而且具有很高的计算精度和速度，有广阔的应用前景。3、根据Sobolev函数的向量空间和Hemlholtz空间的分解，推导出基于残差的三维大地电磁矢量有限元后验误差估计公式，为三维大地电磁自适应矢量有限元数值模拟的实现奠定了基础。4、在完全非结构化四面体单元剖分及优化基础上，结合三维大地电磁矢量有限元后验误差估计公式，提出了基于非结构化网格的三维大地电磁h-型自适应矢量有限元计算策略，保证了对复杂大地电磁模型数值计算的精度和可靠性。5、实现了基于非结构化网格的三维大地电磁h-型自适应矢量有限元计算流程，对典型模型和国际标准电磁模型进行了数值模拟。

Besides, the experimental group also shows a significant improvement in the spatial perception, spatial orientation, spatial relation and spatial reasoning. According to the logs recorded by Happy Cuber within the three weeks learning, the progress of the students in accuracy and problem solving time is obvious. The stage of Happy Cuber in developing part is harder than the folding part for students, whether in folding or developing part, the cross-shaped net is the highest accuracy and shortest response in all cubic nets.

从教材操作纪录内容的变化来看，学生在游戏中的答题正确度与解题时间随著教材使用次数渐次提升，统计分析后发现，立方体拆解题型难度要比展开图摺合题型高，十字型展开图不论是摺合或拆解上，在正方体11个展开图中都是费时最短且正确率最高的类型。

The results show: Firstly, at degree 120, cumulative geoid height error is at the level of 17.616 cm with the adjusted accuracy of center of mass designed as 0 m, and errors come to 18.106 cm, 19.033 cm and 27.329 cm with the adjusted accuracy designed as 5×10-5 m, 1×10-4 m and 5×10-4 m, respectively.

结果表明：第一，在120阶处，当质心调整精度设计为0 m，恢复累计大地水准面精度为17.616 cm；当质心调整精度分别设计为5×10-5 m、1×10-4 m和5×10-4 m时，恢复精度各自降低至18.106 cm、19.033 cm和27.329 cm。

And the Monte Carlo optimization approach is used to simulate the assembly accuracy. The accuracy based design method of robot assembly unit is studied and the configuration tolerance of valve peg-hole assembly unit is derived.

采用蒙特卡洛法进行了机器人装配的精度模拟，研究了基于精度的机器人装配单元的设计方法，并以气门轴孔装配单元为实例得到系统配置的公差要求。

Then the finite element software ANSYS is used to simulate the orthotropic flattened Brazilian disc specimen subjected to diametrical compression, the accuracy of the approximate formula of compression displacement is checked. The formula is further modified with a semi-empirical and semi-analytical approach, and it is shown to have better accuracy than the original formula covering the whole range of orthotropic anisotropic index of rock, the error is less than 6%.

用有限元分析软件ANSYS模拟正交异性岩石的巴西圆盘试样的对径压缩实验；利用有限元分析结果对正交异性平台位移压缩公式进行精度检验，并用半经验半解析的方法，对该公式进行局部的修改，修改后的公式在岩石材料的正交异性指数的整个范围的总体评价上，误差小于6%，具有更好的计算精度。

These are places without aristocratic baggage; egalitarian places open to talent, self-improving, engaged in learning and innovation through networks that were at once competitive and cooperative.

这些地方没有贵族遗风作祟，而且对于那些有天分的人是开放的平等之地，这些人善于通过那些曾经很具有竞争力与合作精神的关系网进行自我提高以及学习创新。

Christine: You don't want to see me?

你不想见我？