The equation smoothes out the irregularities of an object, transforming it mathematically into something that looks like a uniform three-dimensional sphere.
这个方程能消除物体间的差异,并能把物件精确的变形为一个统一的三维球体。
Dr Perelman proved Poincaré's conjecture by taking an equation normally used to model heat dissipation in three-dimensional objects, known as Ricci flow.
佩雷尔曼博士利用广为人知的“瑞奇流(Ricci flow)”这样一个热方程来证明了庞加莱猜想。
The three-dimensional heat conduction equation for steady state operating conditions of bipolar microwave power transistors has been solved.
本文对双极性微波功率晶体管(以下简称微波功率晶体管)求解了稳态工作条件下的三维热传导方程。
Then from the equations of the matrix elements the equation of the usual two composite boson is separated, as it is a three-dimensional equation, the ghost states disappear.
而后由矩阵元方程分离出通常两个复合玻色粒子满足的等时方程,它是一个三维方程,因此无鬼态。
First, the neutron diffusion equation is converted to three coupled one dimensional partial flux equation through transverse integration.
首先通过横向积分将中子扩散方程化为三个互相耦合的一维偏通量方程。
It is briefly introduced that three-dimensional finite difference numerical equation is built according to Darcy's law and water equilibrium principle.
又简介根据达西定律和水均衡原理,建立了三维有限差分数值方程及其解法。
The discrete ordinate approximation method of three dimensional radiative transfer equation in absorbing scattering medium is expounded.
阐述了含吸收散射性介质三维空腔内辐射传递方程的离散坐标解法。
By making use of the Vlasov distribution theory and the three dimensional wave equation of waveguide modes, the dispersion relation of scattered waves in Compton region is deduced.
利用电子束的弗拉索夫分布函数理论和三维波导模的波动方程求得在康普顿区域中的散射波色散关系。
A new approach is presented to efficiently solve the three dimensional space time reactor dynamics equation which overcomes the disadvantages of current methods.
为快速求解反应堆三维时空动力学方程,克服已有方法的局限,提出了一种新的求解方法。
Based on control equation of three dimensional elasticity in cylindrical coordinate system, the state equation is derived.
根据圆柱形坐标系的三维弹性力学控制方程,导出其状态方程。
The initial boundary value problem for nonlinear hyperbolic equation in three dimensional domain with moving boundary is studied.
研究具有变动边界的三维区域上的非线性双曲型方程的初边值问题。
Electronic states of three-dimensional quantum ring are studied by solving precisely the time-independent Schrdinger equation.
本文通过较精确地求解能量本征方程获得三维量子环的电子能态。
It transforms the double-differential carrier observation equation using null space transformation so that it need not to resolve real-time three-dimensional position parameters.
对单个历元的双差载波相位观测方程进行零空间变换,避免了实时变化的三维位置参数求解;
Wind field retrieval from dual-Doppler radar data USES synthesis technique, and the vertical velocity is obtained by using continuity equation, then the three-dimensional wind fields are retrieved.
双多普勒天气雷达反演风场是以直接合成法为基础,垂直速度通过连续方程得到,反演天气系统的三维风场。
A three-dimensional Langevin equation with covariant form is applied to describe the asymmetric nuclear fission.
采用一个具有协变形式的朗之万方程组来描述不对称热核裂变。
With these functions, the boundary-value problem of the two-layered earth which contains three-dimensional inhomogeneities reduces to an integral equation.
使用这些函数,含三维异常体的二层大地的边值问题转变为积分方程。
The heat transfer of steel fluid in continuous casting mould is a stable process and can be depicted with three-dimensional stable heat conduction equation depending on tension speed.
连铸结晶器内钢液的传热可视为一个稳态过程,可用依赖于拉坯速度的三维稳态热传导方程描述。
The three-dimensional state equation was derived for a cylindrically orthotropic piezoelectric body with radial polarization.
推导得到轴向极化的圆柱型正交各向异性压电弹性力学的三维状态方程。
The master equation approach to molecular motor's directed motion based on periodic one-dimensional three-state hopping model is studied.
利用主方程的方法,研究了在一维三态周期跳跃模型下分子马达的定向运动。
It also gives the three dimensional display coordinate conversion circuit which is on the equation.
给出了基于这一方程出发设计的立体显示坐标变换电路。
This paper presents a generalization of one-dimensional S-G formulation for three-dimensional current continuity equation.
本文提出了一种将一维S-G格式应用于三维电流连续性方程的方法。
From the equation of three-dimensional vibration of structures, the methods of multi-dimensional random mode displacement and mode acceleration have been put forward.
从多维地震动输入下的结构三维振动方程出发,给出了结构多维随机振动的振型位移法和振型加速度法。
In this article the mathematical expression of field synergy theory for three dimensional flow with centrifugal force was derived by integrating the energy equation in the concerned volume.
通过对能量方程进行体积分得到了三维流场中场协同理论的表达式。该式不仅含速度矢量与温度梯度矢量的点积项,还含有速度矢量与压力梯度矢量的点积项。
The nonorthogonal velocity is measured by LDV, from which the orthogonal three-dimensional components are computed through transformation equation.
而必须使用非正交lDV系统先测量得到非正交的三维速度,然后通过变换方程求得正交三维速度。
Using the method of simulated shell, non-linear dynamic differential equation of three-dimensional single-layer shallow lattice shell with equilateral triangle mesh is established.
用拟壳法建立了正三角形网格的三向扁锥面单层网壳的非线性动力学微分方程。
A state transfer matrix differential equation was derived from the three-dimensional equilibrium equations and constitutive equations of a homogeneous, isotropic linear elastic body.
本文从三维弹性力学最基本的平衡方程和本构关系出发,推导出状态传递微分方程。
The wintertime circulation in the South China Sea (SCS) has been simulated by using a three-dimensional, primitive-equation model with a free surface.
用一个三维、自由表面、原始方程模式对南海环流进行了计算。
A transfer matrix differential equation is derived from the three-dimensional equilibrium equations and constitutive equations of a homogeneous, isotropic linear elastic body.
从三维弹性力学最基本的平衡方程和本构关系出发,推导出状态传递微分方程。
A transfer matrix differential equation is derived from the three-dimensional equilibrium equations and constitutive equations of a homogeneous, isotropic linear elastic body.
从三维弹性力学最基本的平衡方程和本构关系出发,推导出状态传递微分方程。
应用推荐