用首次积分法，讨论了带奇异边界条件的非线性常微分方程解的存在性、不存在性和唯一性。
By the first integral method, the existence, uniqueness and nonexistence of solutions for some nonlinear ordinary differential equations with singular boundary condition are discussed.
在常微分方程论中，微分不等式是研究方程解的各种属性的有用工具。
Among ordinary differential equation equations, differential inequality is a useful tool which helps research on properties of equation-solving.
在常微分方程论中，微分不等式是研究方程解的各种属性的有用工具。
Among ordinary differential equation equations, differential inequality is a useful tool which helps research on properties of equation-solving.
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