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statistic sum
相关语句
  统计汇总
     Having analyzed complex report system in MIS development ,this paper presents the software architecture of report and implementation design in term of basic data layer,statistic sum layer and report application layer,it is practi-cal for design and implementation of complex report.
     通过对大型数据库管理系统复杂报表分析,提出了按业务数据层、统计汇总层、报表层三层实现报表设计的体系结构,为大系统报表设计与实现找到了一条切实可行的解决方案。
短句来源
  “statistic sum”译为未确定词的双语例句
     The movement and collision of fluid micelle are controlled by lattice Boltzmann equation and equilibrium distribution functions, and distribution functions of fluid micelle can be solved from lattice Boltzmann equation. Thus physical quantities such as velocity and pressure are interpreted by the statistic sum form of distribution functions.
     在该模型中,建立描述流体微团运动及碰撞规律的格子Boltzmann方程以及平衡分布函数,并依此求解出流体微团的分布函数,而流场的速度、压力等物理量可直接根据流体微团的分布函数统计求和而得。
短句来源
  相似匹配句对
     On Statistic Reforms
     试论统计改革
短句来源
     The Sum of p-series
     p级数的求和
短句来源
     Power Sum
     幂和
短句来源
     T—Statistic and Its Application
     一种T——统计量及其数据自诊断方法
短句来源
     Statistic process: Mann - Whitney Rank Sum Test, t -test, z-test.
     统计学处理:曼-怀氏等级和检验(Mann-Whitney Rank Sum Test),t检验,z检验。
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Having analyzed complex report system in MIS development ,this paper presents the software architecture of report and implementation design in term of basic data layer,statistic sum layer and report application layer,it is practi-cal for design and implementation of complex report.

通过对大型数据库管理系统复杂报表分析,提出了按业务数据层、统计汇总层、报表层三层实现报表设计的体系结构,为大系统报表设计与实现找到了一条切实可行的解决方案。

To realize interactive performance of a Video-On-Demand system, a traditional method to segment a video with equal fragments for storage is adopted to implement limit interactive performance of a VODs. According to the reality of VODs, A non-linear segmentation method(NLSM) presented by us was adopted in the paper. The key of NLSM is to realize non-linear segmentation of a video in time axis. After computing the total area of time and frequency, NLSM will equally segment the product of interval and frequency...

To realize interactive performance of a Video-On-Demand system, a traditional method to segment a video with equal fragments for storage is adopted to implement limit interactive performance of a VODs. According to the reality of VODs, A non-linear segmentation method(NLSM) presented by us was adopted in the paper. The key of NLSM is to realize non-linear segmentation of a video in time axis. After computing the total area of time and frequency, NLSM will equally segment the product of interval and frequency of VCR-Requests arrival according to statistic sum of VCR operation in certain step width in a period of time. Comparing with periodical broadcasting by equal segmentation method(ESM) in our simulations, we obtained good outcomes in the mean latency of VCR requests and the best performance of standard deviation of user latency, system defection probability and throughput of a channel. It is found that NLSM can make a data mining in historical information and reveal potential distribution law of users interest in video content. This scheme has good adaptive ability and learning intelligence. By the performance analysis and empirical results, it could be verified that the scheme is feasible and efficient.

为了实现视频点播系统的交互性功能 ,经典的方法是将视频源均匀分割存储 ,以实现其有限的交互性 .从VOD系统的实际出发 ,该文提出了非线性智能分段方法NLSM .它的核心思想是在一段时间内对一定步长范围内VCR交互性操作的到达情况进行统计求和 ,计算系统总体时频总面积 ,并按信道数目将各时间段与VCR发生频率的乘积把总面积均匀等分 ,从而实现视频源在时间轴上的非线性分割 .针对均匀的周期性广播分段方法ESM方案进行比较仿真研究 ,获得了用户VCR请求的响应等待时间的理想结果和最佳的用户等待时间标准偏差、系统拒绝概率和信道吞吐量等方面的优良性能 .NLSM算法对历史信息进行数据挖掘 ,揭示用户对视频节目内容感兴趣程度的潜在分布规律 ,具有良好的自适应能力和学习智能 .算法性能分析和仿真实验的结果说明该方法在实际应用中是可行且高效的 .

Lattice Boltzmann method, which is different from traditional macroscopic and microscopic models of computational fluid dynamics, is presented. The movement and collision of fluid micelle are controlled by lattice Boltzmann equation and equilibrium distribution functions, and distribution functions of fluid micelle can be solved from lattice Boltzmann equation. Thus physical quantities such as velocity and pressure are interpreted by the statistic sum form of distribution functions. Furthermore, the fluid...

Lattice Boltzmann method, which is different from traditional macroscopic and microscopic models of computational fluid dynamics, is presented. The movement and collision of fluid micelle are controlled by lattice Boltzmann equation and equilibrium distribution functions, and distribution functions of fluid micelle can be solved from lattice Boltzmann equation. Thus physical quantities such as velocity and pressure are interpreted by the statistic sum form of distribution functions. Furthermore, the fluid flow in the 2D central plane of continuous slab casting mold is computed, especially the evolution with time of flow with high Reynolds number is simulated, and the simulated flow patterns are found to be in excellent agreement with the previous experiment results, which show that the turbulent flow with high Reynolds number inside the mold is swirly, asymmetric and unsteady. These results indicate that the fluctuation of quantity has been strengthened as long as Reynolds number is high enough, which destroys the symmetric eddy structure, and the fluid flow becomes asymmetric and unsteady.

给出一种与现有传统数值方法不同的计算流体动力学介观模型。在该模型中,建立描述流体微团运动及碰撞规律的格子Boltzmann方程以及平衡分布函数,并依此求解出流体微团的分布函数,而流场的速度、压力等物理量可直接根据流体微团的分布函数统计求和而得。在此基础上计算了板坯连铸结晶器中心面内的二维流动,模拟出流场在高雷诺数条件下流动模态随时间的变化过程,得到与试验结果一致的流场结构,较真实地反映高雷诺数条件下结晶器内湍流的有漩性、非对称性及非定常性。结果表明随着流场雷诺数的提高,流动中物理量脉动成分的显著增强,打乱了原有对称性的大涡结构,使得流动呈现非对称性及非定常性。

 
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