奇异初值问题 meaning in English

singular initial value problem

Positive solution of singular initial value problem of a second order equation
一个二阶奇异初值问题的正解
New existence results are presented for the first - order nonlinear singular initial problems . here the non - linearity can change the sign
摘要获得了一类一阶可变号非线性奇异初值问题的新结果。
Abstract : new existence results are presented for the first - order nonlinear singular initial problems . here the non - linearity can change the sign
文摘:获得了一类一阶可变号非线性奇异初值问题的新结果