1.
Existence Conditions of Integrating Factors for First Order Ordinary Differential Equations
一阶常微分方程积分因子存在性条件
2.
an obligate anaerobe can survive only in the absence of OXYGen.
专性厌氧生物只能在无氧条件下生存。
3.
Several conditions exist that may pose a threat to ingredient integrity.
存在威协原料完整性的一些条件。
4.
On Publicity and Public Conditions of Human Being;
论人的类存在的公共属性及公共条件
5.
Solution of Three-point Boundary Value Problems for Second Order Differential Inclusions;
非凸性条件下二阶微分包含解的存在性
6.
Existence of Periodic Solutions on the Non-autonomous Second Order Systems under the Liner-growth Conditions;
线性增长条件下非自制二阶系统解的存在性
7.
The Existence Theorems of Periodic Solutions for the Second-Order Hamiltonian System under Sub-Linear Condition;
次线性条件下二阶Hamilton系统周期解的存在性
8.
Existence of Solutions for Nonlinear Three-point Boundary Value Problems under Barrier Strips Conditions;
障碍带条件下非线性三点边值问题解的存在性
9.
Nontrivial Solutions for Quasilinear Elliptic Equations with Natural Growth
自然增长条件下拟线性椭圆型方程解的存在性
10.
The Existence and Nonexistence of Positive Solutions for p-Laplace Equation with Robin Boundary Value Condition in Half Space;
半空间上带有Robin边值条件的p-Laplace方程正解的存在性和非存在性
11.
Under the commodity economy, the existence of the wholesale business is objective and inevitable.
在商品经济条件下,批发业的存在是客观的并有其存在的必然性。
12.
In our pioneering days this aggressiveness was essential to survival.
在开拓时期，这种进攻性是生存的必要条件。
13.
Sharp Conditions for Global Existence of Nonlinear Wave System;
非线性波动系统整体解存在的最佳条件
14.
Positive Solutions for Singular Elliptic Equations in Different Boundary Conditions;
奇异椭圆方程不同边界条件下正解的存在性
15.
On existence solutions for multi-point boundary value problems at resonance;
关于具共振条件多点边值问题解的存在性
16.
Existence solutions for multi-point boundary value problems with two dimension kernel at resonance;
具二维核共振条件多点边值问题解的存在性
17.
The Existence Theorems for Periodic Solutions of a Class of Second-Order Sysytem;
强制条件下的一类二阶Hamilton系统周期解的存在性
18.
Prerequisites for the All-Nonzero Solutions to Inhomogeneous Linear Equations;
非齐次线性方程组存在全非零解的充要条件