D parametric modeling design and precise numerical flow simulation are realized and the effective and practical research tools for design and improvement of the ports are provided.
实现了参数化的三维造型设计以及高精度的流动数值模拟，为气道的设计与改进提供了高效实用的研究手段。
D flow diagram that was built by means of system Dynamics, which is the developing and passing system of forest resources for a county.
本文提出用系统动力学的方法来研究森林资源消长，并为系统预测，建立和提供了一个县级森林资源消长模型和S、D、流程图。
The impact of powder particle flow of different R/D on the bend's pressure drop and pipe wall wear is also discussed.
并讨论了不同R/D的粉体颗粒流动对弯管压力降及管壁磨损的影响。
Electronic Document Documents: The New Currency of BusinessLike a lava flow, electronic document management(EDM)is a hot, growing, d pervasive element on many corporate networks.
电子文档：新的业务货币在很多公司的网络上，电子文档管理（EDM）犹如熔岩流，是一个热门的、成长着的、并且是遍及各处的东西。
Solid particulate conveying characteristic is given by backwards leakage flow rate through intermeshing region and formulated as a conveying efficiency d.
粒子的固体输送特性，在啮合段形成的返向漏流速率是依靠螺杆的设计参数和质量密度。
This paper d iscribed the main function of the NTLS, and then put forward the data structure of the NTLS and the data flow control protocol of the main function of the NTLS.
本文介绍了网络电脑教室的四大功能模块，并提出实现这些功能的数据结构及其数据流控制规则。
ObjectiveTo evaluate the efficiency of heparin on the ratio of peak systolic to least diastolic flow velocity (S/D) of umbilical artery flow velocity waveforms at second-trimester pregnancies.
目的评价肝素对改善妊娠中晚期脐动脉收缩期最大血流速度（S）与舒张末期血流速度（D）的比值异常的临床效果。
Finally, by using this new method, flow in a 2-d lid driven cavity, flow around a circular cylinder, and flow simulation around NACA0012 airfoil with different Reynolds Numbers are performed.
最后，针对二维驱动空腔流、圆柱绕流及二维naca0012翼型在不同雷诺数的条件下，用新提出的方法进行了数值模拟。
This paper introduces a method based on 1 D flow model and FDM to get some injection parameters rapid Rapidly.
本文提出了一种基于一维流动模型，采用有限差分分析，迅速得到多个注塑条件初选值的理论方法。
On the basis of introducing the standards of SEG-D format, we analyzed tape structure in SEG-D format and gave ordinary flow of demultiplex of SEG-D format tape.
我们在对SEG - D格式的标准进行介绍的基础上，分析了SEG - D格式的磁带结构，给出了SEG - D格式磁带解编的常规流程。
The recent potential flow theory and finite-difference method are applied to generate orthogonal numerical grids and to compute two-D plane flow fields.
运用新近的解析-数值势流理论方法，生成正交数值网格，用差分法计算出平面二维流场。
Reclassification to R&D work flow process, on the basis of which, frame optimization and technical enhancement is studied.
对开发设计作业流程重新进行了阶段划分，并在此基础上实施了作业过程结构优化和成本技术改善。
Methods The S/d value, RI value of UA, MCA and RA blood flow of 112 fetus cases were detected with color Doppler among them there were 64 cases of normal pregnancy and 48 cases PIH.
方法应用多普勒超声技术检测112例胎儿的脐动脉、大脑中动脉、肾动脉血流的S/D值、RI值，其中正常妊娠64例，妊高征48例。
This paper describes the experimental method on flow visualization in combustion chamber of D. I. diesel engine.
本文论述直喷式柴油机燃烧室内流体可视化的实验方法。
In order to improve the precision, a new method predicting turbine performance by means of quasi 3-d flow analysis is presented.
为了提高涡轮性能预测的精确度，提出了一种应用涡轮叶轮准三元流动分析的预测方法。
Aiming at the dentate boundary problem which is brought by the traditional Cartesian method, Part 4 introduces the diagonal Cartesian method to improve the former 2-d flow mathematic model.
第四部分针对笛卡尔坐标方法处理复杂边界存在的锯齿状问题，引进斜对角笛卡尔方法，对已有的蓄滞洪区二维水流数学模型进行了改进。
The simulation and experimental results are presented, verifying that the designed DSSC has good performance of power flow control, and configuration of DSSC is adaptable for D-FACTS.
仿真和实验表明，该补偿器具有良好的潮流控制作用，结构特点满足分布式FACTS需要。
Finally, we estimate 3-d motion and structure parameters of the body by sparse optical flow.
最后，利用稀疏光流进行三维物体运动参数和结构参数的估计。
Particle Image Velocimetry (PIV) Measurements were carried out on a 2-d flow field around the greenhouse in the atmospheric boundary layer wind tunnel.
在大气边界层风洞中，利用粒子图像速度场仪(PIV)对风绕过二维温室的流动进行了流场测量。
Objective This paper is to investigate the ratio of the systolic peak value and the end-diastolic velocity of blood flow (S/D value) and its clinical value, which can predict fetal anoxia.
目的探讨脐动脉收缩期血流峰值（S）与舒张末期血流速度（D）的比值（S/D）对预测胎儿宫内缺氧的临床价值。
Using the program to generate 3-D multi-block abutting structured grid of reverse jet flow field with the controlling of concentration and orthogonalization.
并在此基础上采用一定的加密、正交化方法，生成了三维反向喷流流场分区对接结构网格。
Travel Guide: Buses can take to the paper mill station, the subway can take the Yan Gang Station D export, along the direction of traffic flow 150 meters.
乘车指引：公交车可搭乘至纸厂站，地铁可搭乘至燕岗站D出口、顺车流方向前行150米。
Methods Manifestation on two-dimensional images, blood flow velocities, RI and S/D ratio were observed respectively between the normal men and the patients, and statistical treatment was done.
方法正常组与病变组对比观察二维声像图表现、血流信号的多少、血流速度、RI、S/D比值，并进行统计学处理。
In this paper, the influence of tip leakage flow on the 3-d viscous flow field is investigated for different blade tip gap shapes under the condition of rotating hub or stationary hub.
本文针对几种不同形态的叶栅顶部间隙，在环壁转动与静止的不同情况下，研究间隙内的泄漏流动对三维粘性流场的影响。
First, a 2-d unsteady viscous flow in a vibrating cascade is investigated under flow-structure uncoupled conditions.
本文首先研究气固非耦合条件下的振动叶栅内二维非定常粘性流动。
The flow visualization by means of smoke and measurement of 3 -d flow field are conducted to investigate physical model of the streamwise corner vortexes in a compressor cascade.
本文采用烟显示和三维流场测量的方法，研究扩压叶栅角涡的物理模式。
As an application example, the 2-d inviscid transonic cascade flow is solved by using adaptive grids.
作为应用实例，本文将自适应网格用于二维无粘跨音速叶栅流场计算。
The internal flow field of a single-stage axial compressor is analyzed using a fast full 3-D viscous flow calculating method.
采用一种快速求解三维粘性流场的计算方法求解轴流压气机的内部流场及全工况特性。
The internal flow field of a single-stage axial compressor is analyzed using a fast full 3-D viscous flow calculating method.
采用一种快速求解三维粘性流场的计算方法求解轴流压气机的内部流场及全工况特性。
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