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accuracy and improve
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  精度改善
     This paper introduces a finite analytic method of solving groundwater flow. This method combines analytic solution with numerical method, and can rise computational accuracy and improve the stability.
     本文介绍了一种求解地下水流问题的有限分析法,该方法将解析解结合到数值方法中,从而提高了计算精度,改善了稳定性。
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  准确性提高
     According to the configuration of two closed control loops based on vision-servo,the design of control system for soccer robot car based on DSP technology and nonlinear PI control is presented,which ensure the control accuracy and improve the real-time performance.
     以集控式足球机器人为研究对象,以双闭环视觉伺服控制结构为主线,提出了基于DSP技术和非线性PI控制算法的机器人小车控制系统设计,保证了控制的准确性,提高了控制的实时性;
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  “accuracy and improve”译为未确定词的双语例句
     Ooptimuming the working conditions and removing the disturbing factors can improve the spectrophotometer sensitivity and accuracy,and improve the analysing effect.
     通过优化原子吸收仪器工作条件、消除各种干扰及其它影响因素,可以提高仪器灵敏度和精密度,进而提高分析结果的准确度。
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     And the improved Rumelhart and MBP neural network can enhance the prediction speed and accuracy, and improve the astringency of the network. .
     但采用BP人工神经网络预测时 ,迭代次数比CVDA大得多 ,采用改进的Rumel hart和MBP神经网络能有效地提高预测速度 ,改善网络的收敛性 ,并且使预测精度有所提高
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     Flow unit study is an effective method to understand reservoir heterogeneity, delimit residual oil distribution, enhance reservoir description accuracy and improve development response.
     流动单元研究为认识油藏的非均质性提供了有效手段,是提高油藏描述精度、确定剩余油分布、改善开发效果的一种有效方法,对二次和三次采油具有重要意义,是当前研究的一大热点。
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     The application of process of vane wheel profile forming can ensure the machining accuracy and improve the productive efficiency.
     采用成形铣削加工叶轮型面,保证了加工精度,提高了生产效率
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     To get a better accuracy and improve the forecasting method,the combined forecasting model is proposed. By using the LMS method,the weight number expression is gained.
     为提高预测精度 ,完善预测方法 ,提出组合预测模型 ,对电力系统负荷预测的多种预测模型进行组合优化 ,用最小二乘法确定其权重 ,得到权重的解析表达式 ,使组合预测理论进一步得到完善。
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     Improve Accuracy for Determinimg Suspension
     提高测量悬浮物的准确性
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     the accuracy?
     地面控制点 (GCPs)的精度、分布和数量是决定提取DEM数据精度的关键 ;
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     Iteration is used to improve the accuracy.
     采用了迭代方法提高计算精度。
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     How to Analyze and Improve the Accuracy of the ADC
     如何认识和提高ADC的精度
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     At the same time, improve the accuracy and efficiency.
     同时还提高了处理的精度和效率。
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  accuracy and improve
A time-correction technique is applied to increase the time accuracy and improve the stability condition.
      
As it was mentioned before, restricting the translation machine to a specific domain will increase the accuracy and improve the quality of the output.
      


Car SY97594, the first track geometry inspection car developed by China's Railways, is equipped with a track geometry measurement system from the United States and inspecting hardwares made in China。 The onboard data processing unit converts, be means of a mathematical model, the analog signals from gyro, aecelerometer, inclinometer and displacement transducer into track geometry parameters. A tape and a disc store respectively the transducer signals and the obtained parameters. A chart paper records the virtual...

Car SY97594, the first track geometry inspection car developed by China's Railways, is equipped with a track geometry measurement system from the United States and inspecting hardwares made in China。 The onboard data processing unit converts, be means of a mathematical model, the analog signals from gyro, aecelerometer, inclinometer and displacement transducer into track geometry parameters. A tape and a disc store respectively the transducer signals and the obtained parameters. A chart paper records the virtual track conditions and a terminal displays the operational information of kilometer post and travel speed, etc. The data processing unit real-time prints out such reports as exception report, kilometer summary, section summary and curve summary. This ear features in advanced techniques, measuring principle, higher accuracy and improved system stability.This paper introduces systematically the Construction and functions of the ear in the following some aspects:Concepts and methods for measuring track geometries as of track gauge, alignment, profile, warp, crosslevel and curvature。data real-time processing; methods for system initialization, system input and output and geometry data processing. Case study---real measurement results and analysts.

SY97594轨检车是我国研制的第一辆新型轨道检查车,车上安装了美国ENSCO公司的轨道几何状态测量系统和数据处理系统以及我国自行研制的检测装置。利用从陀螺、加速度计、倾斜仪、位移计等传感器输出的模拟信号,合成为轨道几何状态信号,在波形记录仪上绘出轨道实际状态,并且通过A/D转换装置转换成数字信号,记录在磁带机上。控制台显示出里程位置,运行速度和各种操作信息。数据处理系统实时打印出超限报告表、公里小结表、区段总结表、曲线报告表。该车的特点是:采用先进的检测技术和原理、测量精度高、系统稳定可靠。 本文系统地介绍了轨道几何测量系统的测量原理、组成和功能。主要包括:轨距、轨向、高低、水平、三角坑、曲率等轨道几何参数的测量概念和方法;实时采集和处理数据的方法;实时测量结果的输出和分析。

In this paper three-dimensional boundary layers on blade surfaces of a reversible hydraulic machine in a turbine mode have been calculated by using the finite difference method. The three-dimensional potential flow in the core region of the runner passage is calculated by using the boundary element solution. For the thin viscous flow near the blade surfaces, the semi-orthogonal curvilinear coordinates are used to express three-dimensional boundary layer equations. In order to increase accuracy and improve...

In this paper three-dimensional boundary layers on blade surfaces of a reversible hydraulic machine in a turbine mode have been calculated by using the finite difference method. The three-dimensional potential flow in the core region of the runner passage is calculated by using the boundary element solution. For the thin viscous flow near the blade surfaces, the semi-orthogonal curvilinear coordinates are used to express three-dimensional boundary layer equations. In order to increase accuracy and improve efficiency of the calculation, the body-fit coordinates are applied to set up the calculation mesh, and the Cebeci transformation formulas an the box method of Keller are used to discretize the differential equations The comparison between calculated results of pressure distribution curve on the blade surfaces and measured data indicates their good agreement o the most parts of the surfaces except the regions near the trailing edge o the blade.

本文用有限差分法计算混流式可逆水力机械水轮机工况叶片表面上的三维边界层。水轮机转轮核心区的三维势流由边界元法给定。叶片表面附近的粘性流动,用三维半正交坐标系中的边界层方程表示。为了提高边界层流动的计算速度和精度采用贴体坐标生成计算网格,并利用Cebeci变换函数及Keller分块解法。计算的叶片表面压力分布曲线与试验结果进行了比较。

A wealth of geochemical data now available may be used to riase the accuracy and improve thequality of the enviconmental quality assissment.Mature geochemical exploration methods and toolsmay be adopted to remedy the insufficiency of the conventional methods for environment quality as-sessment.All geochemical exploration methods have their own unique usefulness in finding the sou-rce of the contaminating material,in determining the contamination factor,and in studying the mig-ration and transformation...

A wealth of geochemical data now available may be used to riase the accuracy and improve thequality of the enviconmental quality assissment.Mature geochemical exploration methods and toolsmay be adopted to remedy the insufficiency of the conventional methods for environment quality as-sessment.All geochemical exploration methods have their own unique usefulness in finding the sou-rce of the contaminating material,in determining the contamination factor,and in studying the mig-ration and transformation of the contaminating material as well as the mechanism of contamination.They are also effectively used for prognostication analysis of environment quality.

环境质量评价是环境科学研究的重要内容之一。应用现有丰富的地球化学资料,可提高环境质量评价的精度和质量;成熟的地球化学勘查方法和手段,可弥补环境质量评价常规方法的不足,对解决污染物质的物质来源,确定污染因子,研究污染物质的迁移转化和污染机理,有效地进行环境质量预测分析,具有独特的作用。

 
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