ordered singular boundary造句

Positive solutions to fourth order singular boundary value problems
四阶奇异边值问题的正解
Positive solution of fourth order singular boundary value problem
一类四阶奇异边值问题的正解
Positive solutions of some second order singular boundary problems
一类二阶奇异边值问题的正解
Solvability of a class of fourth - order singular boundary value problem
一类四阶奇边值问题的可解性
On the existence of positive solutions for second order singular boundary value problems
二阶奇异边界值问题解的存在性
It's difficult to find ordered singular boundary in a sentence. 用ordered singular boundary造句挺难的

The existence of nonnegative solutions of second order singular boundary value problem
二阶奇异边值问题两个非负解的存在性
A necessary and sufficient condition for the existence of positive solutions of fourth - order singular boundary value problems
四阶奇异边值问题正解存在的充分必要条件