查询词典 speech curve

Based on the full three-dimensional numerical simulation for the centrifugal pump, an optimal mathematical model of blade curve is set up. In this model, the object function is the minimum length of the blade curve; the constraint condition is no recirculation atr=0.5. This model makes the design of optimum blade curve efficient.

在对离心泵内部流场进行全三维数值模拟的基础上，建立了叶片型线优化设计的数学模型以叶片长度最短为目标函数，叶轮相对半径，r=0.5处无回流为约束条件，讨论了该模型优化计算的方法。

By summarizing the futures of the relative permeability curve in low permeable reservoirs and study of the futures of relative permeability curve in lithic arenite which rock fragments are most come from tuff and lava, it is the reservoirs rock character, the type of detrital minerals, the degree of grains coarse and the lay out of clay mineral that are main influencing factors which influence the relative permeability curve.

本文在总结低渗透油藏油水相对渗透率曲线特征的基础上，对以火山岩、凝灰岩岩屑为主的岩屑砂岩相对渗透率曲线特征进行研究，并分析了其影响因素，研究表明低渗透储层的岩石学特征，碎屑颗粒的成份、结构，其表面的粗糙程度，及其粘土矿物的产状对相对渗透率曲线有明显的影响。

The sonic log curve is reconstructed by using BP neural network technology combining SP,Rt,Gr curves data as to enhance the information quality of curve reconstruction and ensure the accuracy of curve reconstruction.

运用BP神经网络技术综合了自然电位、电阻率、自然伽马等多条曲线的信息对声波曲线进行重构，以此增加曲线重构的信息量，为曲线重构的准确性提供了保障。

In order to enlarge capacity building size and to enrich exploitation seismic interpretation methods, gamma log curve without container rock velocity information and resistivity logging curve were converted to realize the purpose of seismic inversion as pseudo sound wave curve, and to make the seismic inversion data volume have information of shale content and oiliness and help to predict the sandstone thickness and oiliness of reservoir bed.

为扩大油田产能建设规模、丰富开发地震解释方法，本文把不具备储层速度信息的伽玛曲线、电阻率曲线通过一定的转换，实现作为伪声波曲线进行地震反演的目的，使地震反演数据体加入泥质含量及含油性两种信息，有助于进行储层砂岩厚度预测及储层含油性预测。

Utilizing Multivariate Regression Modeling and Spectral Derivative to establish five function pattern cotton dry matter accumulation modeling based on Ratio Vegetation Index and Normalized Difference Vegetation Index,all correlation coefficient is highly positive(α=1%,n=96),based on RVI modeling has a higher precision than NDVI does,hyperbolic curve fitting,exponential curve fitting and logarithmic curve fitting have further improved analysis against cotton dry matter accumulation.

利用北疆8个棉花主栽品种(其中2个棉花品种设4水平种植密度)的各生育期冠层高光谱数据，经多元统计分析与光谱微分处理，建立了基于比值植被指数和归一化植被指数的5种函数形式的棉花干物质积累估测模型，相关系数均达到了极显著水平(α=1%，n=96)。

Results There was a linear trend between logarithmic X and Y, the equation of logarithmic curve was able to be fitted, There was a linear trend between logarithmic Y and X, the equation of exponential curve was able to be fitted, There was a linear trend between logarithmic X and logarithmic Y, the equation of power curve can be fitted. There is a parabola pattern between X and Y, the equation of parabola was able to be fitted.

结果 X取自然对数与Y作散点图有直线趋势，拟合对数曲线方程；Y取自然对数与X作散点图有直线趋势，拟合指数曲线方程；X取自然对数与Y取自然对数作散点图有直线趋势，拟合幂函数曲线方程；原始数据X和Y成抛物线关系，拟合抛物线方程。

This paper first analyzes the character and parameter demarcating of Logistic Curve and Picketage Model s S Curve, then puts forward a traffic forecasting method based on this two curve models.

本文分析了逻辑斯蒂曲线和定标模型S曲线的特征和参数标定。

This paper first analyzes the character and parameter demarcating of Logistic Curve and Picketage Model s S Curve, then puts forward a traffic forecast ing method based on this two curve models.

在此基础上提出将这两种曲线模型结合起来的交通量预测模型，并应用于规划公路网路段的交通量预测，取得了较好的预测结果。

Flow characteristic curve, flow-pressure characteristic curve of steering control unit and load-speed characteristic curve, null region of system are given through analyzing the static model.

在此基础上，对各元件和系统进行静态分析，得到转向器流量特性曲线，流量—压力等曲线以及转向系统的速度—负载曲线和死区范围等相关静态特性。

If we right-click on this curve, we will see three commands on the menu:"reverse curve direction","assign attributes", and "delete attributes". Yes, the curve had a direction, which was determined by the its drawn direction, and it determined the direction of object movement in the animation.

接着出现的是一个文件储存选择视窗，在上面建立一个新的文件夹，给个文件名字"FAN.skp"，要注意的是一定得加上。skp的延伸文件名，否则SU Animate会存成没有尾巴的文件名字。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？