本文研究高阶复合方程基于能量不等式和生成算子的稠密性。

The proof is based on an energy inequality and the density of the range of the operator generated by the studied problem.

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接着本文提出了一种基于卷积算子的铅笔纹理生成算法。

Then, this article proposed a pencil texture generation method based on the pencil filter.

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接着本文提出了一种基于卷积算子的铅笔纹理生成算法。

Then, this article proposed a pencil texture generation method based on the pencil filter.

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