The spatial extent of the assigned land refers to the closed space formed by the above-said boundary points posed by the vertical plane and the upper and lower elevation level. 出让宗地空间范围是以上述界址点所构成的垂直面和上、下界限高程平面封闭形成的空间范围。
On Solutions to Closed Boundary Value Problems for Equations of Mixed Type 一类混合型方程的封闭边界值问题的解的研究
The closed system allows energy to transfer through the boundary but not mass. 闭系允许能量通过它的边界传递,但质量不行。
An analysis mathematical model of well testing is proposed for inconstant flow rate with the closed outer boundary and the wellborn storage and the skin effects. 建立了外边界封闭且考虑井筒储存和表皮效应下的变流率问题的试井分析数学模型;
Then by using the multiplier method, it was proved that the closed loop system was exponentially stable if two boundary feedback controls were applied simultaneously to the beam's tip where the load was carried. 然后利用乘子法证明了,当两个边界反馈控制同时作用于梁的负载端时,闭环系统是指数稳定的。
Motion Detection of Closed Boundary Using Fourier Descriptors and Hough Transform 傅里叶描述子和Hough变换检测封闭边界运动
It is common knowledge that there exists no the closed form of the bearing forces especially under Reynolds boundary condition. 滑动轴承的油膜力,特别在雷诺边界条件下,并不存在解析解。
Solution's Structure of a Type of Ordinary Differential Equation System with Closed Right Boundary Conditions 一类常微分方程组在封闭右边界条件下解的结构
Based on the characteristics of AutoCAD drawing and functions of operating the drawing in AutoCAD, it is proposed that the closed window boundary should be transformed into the region before the calculation of window clipping and the generating method is given. 根据AutoCAD图形的特点及AutoCAD中已有的功能提出,将封闭的窗口定义成面域(region)参与裁剪运算,并给出了面域的自动生成方法;
To meet the need of composite reservoir performance analysis, a formation pressure distribution model is developed, which takes into consideration the effect of wellbore storage, skin factor and three kinds of outer boundary conditions& constant pressure outer boundary, closed outer boundary, infinite boundary. 根据油藏动态分析的实际需要,建立了考虑井筒储集和表皮效应及三种外边界条件&定压外边界、封闭外边界和无穷大边界下的油层压力分布数学模型。
A new closed boundary extraction algorithm based on block edge patterns is proposed in this paper. 提出了一个从DCT域提取的闭合边界的算法。
The solution of the titled model at the closed boundary condition is rigorously correct with in 0 ≤ Pe ≤∞, while the solutions at other boundary conditions, for smaller Pc, might lead to significant deviations, or even meaningless results. 在闭式边界条件下,模型的解可在0≤Pe≤∞的范围内适用,而其它边界条件下的解,在Pe较小时会有较大误差,甚至得出无意义的结果。
The goal is, in n-dimensional space forms, to compare the mean absolute curvature of a closed curve C with that of a big circle in the boundary of a convex geodesic ball containing the curve C. 在n维空间型中,比较了任一闭曲线和包含此闭曲线的凸测地球边界上一个大圆的平均绝对曲率。
An Legendre spectral method is used to predict the optimal feedback gain by which the closed-loop system of an Euler-Bernoulli beam equation under boundary linear feedback control has minimal decay rate. 本文用Legendre谱方法估计一端固定,一端加弯矩耗散线性反馈的梁振动的闭环系统使能量最快衰减的最优反馈增益。
The Exact Solution to Filling Test Model for Constant Pressure Closed Boundary of Homogeneous Layered Reservoir and Its Calculation 均质多层油藏定压封闭边界灌注试井模型精确解及其计算
A Novel Image Retrieval Algorithm Based on Salient Closed Boundary 基于显著封闭边界的图像检索算法
The compiled procedure can simulate flammable gas explosion process in closed vessels effectively. ( 2) Based on the investigation into flammable gas explosions, explosion process of gas cloud in spherical closed vessels is simulated by modifying initial condition and boundary condition. 在研究可燃气体爆炸过程的基础上,通过修改程序中的初、边界条件,对球形密闭容器内气云的爆炸过程进行了数值模拟。
Some general formulations of the second fundamental problem in plane elasticity are proposed here when the displacements given on the closed boundary contours of a multi-connected elastic region are relative to certain rigid motions which are different to each other for different boundary contours. 本文给出了平面弹性第二基本问题的一般提法,这里在多连通弹性区域的各个闭边界围线上给出的位移只是相对的,各允许有一不同的刚性移动。
The closed forms of lower order boundary moments and the affine invariants are derived. 导出了用物体角点坐标表示的低阶边界矩的闭合形式,构造了基于边界矩的仿射变换不变量。
A method is proposed to search for a suitable blank area in a graph of closed boundary by detecting if a circle is in touch with the closed boundary. 提出一种在封闭图形内,利用检测圆与封闭图形边界是否触碰的方法(简称圆形法),寻找适合的空白区域,适用于在已知图形上填写字符,确定新图形的位置。
Through analysis of relation between boundary motion and variance of Fourier transform coefficient, Motion detection of planar closed boundary using Fourier descriptors and Hough transform is proposed in the paper. computer simulation results show that the methods is feasible and effective. 文章分析了平面封闭边界运动和傅里叶描述系数的变化关系,提出了基于边界傅里叶描述子和Hough变换检测平面封闭边界的运动,并通过计算机仿真证明该方法的可行性。
Is closed, ( 3) The union of boundary of members of(?) (?)中元素的边界之并包含(?)
Combining the temperature distribution of wellbores with the temperature distribution of formations, we construct a closed and conservative equation group with initial and boundary conditions. 把井筒和地层的温度分布有机结合起来,建立起一个封闭的具有初边值条件的守恒的方程组系。
As for the percolation problem of constant pressure boundary and closed boundary, routine method can resolve it. 但对于非封闭边界的渗流问题,采用常规方法不能得到有效的解决。
This paper proposes mathematic model for well test analysis of perfectly describing the dual porosity reservoir with the bottom-hole storage and the skin effects and the three kinds of external boundary conditions ( infinite boundary, constant pressure outer boundary and closed boundary). 针对双孔介质油藏,建立了考虑井筒储集和表皮效应和三种外边界(无穷大、定压、封闭)条件下的试井分析模型;
With research objective on two closed loop system of DC electromotor, calculative expressions and boundary condition of parameters with cubic equation model are introduced in the paper. 以可控硅直流电动机双闭环系统作为研究对象,给出了三阶模型下的参数计算公式和边界条件。
Then, by virtue of frequency domain multiplier method, we prove that the closed loop system with both a locally distributed feedback control and a boundary one is of exponential decay. 进而利用频域分片乘子方法,在所论梁系统同时具有分布反馈控制和边界反馈控制的条件下,证明其相应的闭环系统能量指数稳定。
Shape characteristics of the closed boundary curve are extracted through these computed Fourier series 'coefficients. The Euclidean distance between shape characteristics of measured surface dynamometer card and that of simulated card is established and is employed as objective function for optimization. 利用傅里叶系数计算封闭曲线的形状特征,建立了实测与仿真地面功图曲线形状特征间的欧氏距离。
During the overmodulation, the new voltage vector of overmodulation strategy 2 or 3 is still in the outside of the hexagon when the original reference voltage vector is closed to the boundary of any two sectors. So the two overmodulation algorithms are not applicable in this region. 过调制中,当原参考电压矢量位于正六边形中任意两个扇区交界附近时,过调制策略2和3所得到的新电压矢量仍会超出正六边形边界,过调制算法不再适用于此区域。
We say M~ n is closed if it is compact and without boundary. 如果M~n是紧致无边的,则我们称它是闭的。