This paper gives five equivalent propositions for almost regular graphs, and so that we can see the almost regular graphs better.

本文给出了关于准正则图的五个等价命题，使我们可以更好了解准正则图的本质。

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Amarts have very good properties. This paper gave the four equivalent propositions of R-Value's amart and their proofs by utilizing the theory of stopping time.

渐近鞅型序列具有很好的性质，本文给出实值渐近鞅的四个等价命题，并应用停时理论对它们予以证明。

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This paper discusses several equivalent propositions in analytic function and their application to the nonsource and irrotation problems of plane field in physics.

文章研究的是解析函数的等价命题和解析函数及其柯西—黎曼方程在解决物理学中平面场的无源无旋问题中的应用。

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