提出常规阿尔奇公式是多项式的特殊形式，给出了岩石润湿性的识别和分类解释方法。
The conventional Archie? S formula is considered as a particular form of multinomial. The identification and classification methods of rock wettability are given.
研究了第二类契贝谢夫多项式的性质，给出了奇下标第二类契贝谢夫多项式的一组恒等式及一个推论。
By studying the properties of second specie of Chbyshev polynomial, a group of identities and an inference of the second specie odd-suffixed Chebyshev polyinomials are obtained.
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