1.
Solving a Differential Equation of One Orderby Polar Transformation;
一阶二次微分方程在极坐标变换下的求解定理
2.
Periodic Solutions of Second-order Hamiltonian Systems with Super-quadratic Potentials
一类二阶超二次哈密顿系统的周期解
3.
CALCULATION OF THE FIRST AND SECOND ORDER PARTIAL DERIVATIVES OF EIGENPAIRS OF QUADRATIC EIGENVALUE PROBLEMS
二次特征值问题特征对的一阶与二阶偏导数
4.
Periodic and Subharmonic Solutions for a Class of Second Order Hamiltonian Systems
一类二阶Hamilton系统的周期解和次调和解
5.
Integral Criterion of One Kind of Second-Orden Ouaclratic Equation And Reduction of Its Integrals to Common Denominaton;
一类二阶二次微分方程的可积判据及其通积分
6.
This paper is to consider subharmornic solutions for a class of nonautonomous second order systems.
本文主要研究一类二阶方程组的次调和解。
7.
A QUASILINEAR MIXED ELEMENT SCHEME FOR SOLVING SECOND ODER ELLIPTIC PROBLEM
二阶椭圆问题求解的拟一次混合元格式
8.
A Shortest Path Algorithm on Multi-stage Weighted Network with General Quadratic Parameter;
带一般二次参数赋权的多阶段网络最短路算法
9.
A Method on the General Solution to the Second-order Nonlinear Homogeneous Differential Equation;
求二阶非齐次线性微分方程通解的一种方法
10.
General solutions for a class second-order homogeneous linear variable coefficients differential equation
一类二阶变系数齐次线性微分方程的通解
11.
Discussion on the first-order second-moment method of project structural reliability analysis
工程结构可靠度分析的一次二阶矩法探讨
12.
Fuzzy reliability analysis of bolt coupling
基于一次二阶矩法的螺栓联接模糊可靠性分析
13.
Sandy Soil Liquefaction Assessment Method Based on Improved Linear Second Order Moment Method
基于改进一次二阶矩法的砂土液化判别方法
14.
Is there a limit to the number of times I can take Step1 and Step2 CK?
应考第一阶段与第二阶段的CK考试，是否有应考次数的限制？
15.
second-order homogeneous nonstationary process
二阶齐次非平稳过程
16.
The Reduction of Qrder for Seconderorder Linear Homogeneous Equation of Coustant Coefficients
二阶常系数线性齐次方程的降阶代换
17.
The first phase, consisting of leasing out the berthing space through two tendering exercises, was completed in February in 1988.
第一阶段改革于一九九八年二月完成，通过两次招标，将泊位租出。
18.
An important case is the linear homogeneous second-order differential equation with constant coefficients.
一种重要的情形是常系数二阶线性齐次微分方程。