partially hypoelliptic

Diophantine Approximation,Gevrey Hypoellipticity and Almost Periodic Motion on the Torus T~2;

丢番图逼近、环面T~2上的Gevrey亚椭圆性与几乎周期运动

Solvability and Hypoellipticity for Operator ■_μ~m on the Heisenberg Group H~n;

海森堡群H~n上算子_μ~m的可解性和亚椭圆性

Hypoellipticity of a Class of Double Characteristic Operator in Higher Dimension;

一类重特征算子的亚椭圆性

In this paper, We obtain a sufficient and necessary condition for subellipticity of a classes of left invariant differential operators on two stratified steps nilpotent Lie groups by the method of representative theory method of nilpotent Lie groups.

本文我们用幂零李群表示的方法，给出了二步幂零李群上一类左不变微分算子是亚椭圆的充要条件。

In this paper,we study the spectrum of the subelliptic operator based on the Hopf fibration on the sphere of dimension 3.

本文研究了与紧流形S3上的与Hopf纤维丛相联系的亚椭圆算子的谱。

Based on the coupled mode theory,the bistability performance of nonlinear Bragg gratings is analyzed theoretically in terms of elliptic integration.

基于耦合模理论,利用椭圆积分方法对非线性布拉格光栅(NLBG)的双稳特性进行了理论分析,推导出较为普遍情形下表述NLBG输出强度与输入强度之间关系的解析表达式,并采用数值模拟的方法研究了NLBG双稳态对光栅内部参数的依赖性。

On the surface of cylindrical bounday,with the help of the series expansion of elliptic integration,the integration for the lateral surface of a cylinder has been expressed in analytical form about the integral equation of electric log.

在柱状边界条件下 ,借助椭圆积分的级数展开将电测井积分方程中对柱侧面的曲面积分表示成解析形

Hierarchical ellipse detection algorithm based on local PCA Hough transform with parameter restraint

局部PCA参数约束的Hough多椭圆分层检测算法

Simulating Rice Leaf Angle Inclination Distribution by Elliptical Distribution Function

椭圆分布函数模拟水稻冠层叶倾角分布

elliptical cladding single-polarization fiber

椭圆包层单偏振光纤

The self-vibration characteristics analysis of three way single layer elliptic paraboloid web shells

三向型单层椭圆抛物面网壳的自振特性分析

STUDY ON THE DYNAMIC CHARACTERISTICS AND THE FUNDAMENTAL FREQUENCY PRACTICAL FORMULA FOR SINGLE-LAYER ELLIPTICAL PARABOLIC LATTICED SHELL

单层椭圆抛物面网壳自振特性分析及实用公式

incomplete elliptic integral of the first kind

第一类不完全椭圆积分

complete elliptic integral of the first kind

第一类完全椭圆积分

three quarter elliptic spring

四分之三椭圆形弹簧

quarter elliptic spring

四分之一椭圆形弹簧

complete elliptic integral of the second kind

第二类完全椭圆积分

self-adjoint elliptic differential operator

自伴椭圆型微分算子

THE LAGRANGIAN BOUNDARY LAYER EQUATION AND THE UNSTEADY SEPARATION OF THE ELLIPTIC CYLINDER AT ANGLE OF ATTACK

拉格朗日边界层方程及椭圆柱在攻角下的非定常分离

Study on the Dynamic Stability Characteristics of Three-dimensional Frame of Single Layer Elliptical Parabolic Latticed Dome

三向单层椭圆抛物面网壳结构的动力稳定性分析

Numerical Simulation of Laminar Flow and Heat Transfer Characteristics in Elliptical Tubes

椭圆管内层流流动与换热的数值研究

Resembling an ellipse in shape;elliptical.

椭圆形的形状类似椭圆的，椭圆的

An Analysis of Three Dimentional Deformation of a Round Bar with Oval Cavity and Its Upper Bound Solution

椭圆型槽辊锻圆坯料三维变形的分析及上限解

In the equation E (k) is the complete elliptical integral of the second kind.

式中，E（k）为第二类完全椭圆形积分。

A Parallel Iterative Method for Solving Elliptic Difference Equations;

求解椭圆差分方程的一种并行迭代法