nonnegative classical solution
nonnegative classical solution
非负经典解
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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A parabolic system with nonlinear boundary conditions is considered. T he existence and uniqueness of a nonnegative classical solution are proved to this problem.
考虑了一个具有非线性边界条件的抛物系统，证明了这个问题非负古典解的存在唯一性。
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