For the equations course, I was given a set of unpublished lectures that emphasized existence proofs and uniqueness of solutions to differential equations.
在方程课上，我听了一系列未公开的演讲，强调的是微分方程的解的存在证明及其唯一性。
Because the boundary element method is half analytical and half numerical, there exist the problems of the existence and uniqueness of the solutions.
由于边界元法是半解析半数值解法。在解边界积分方程时会遇到解的存在与唯一性问题。
We have solved the existence and the uniqueness of almost periodic type solutions of ordinary equations.
一股的方程我们已经能够解决相关的概周期函数类型解的存在性和唯一性。
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