西南石油大学学报(自然科学版) ›› 1987, Vol. 9 ›› Issue (1): 83-89.DOI: 10.3863/j.issn.1000-2634.1987.01.007

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  • Received:1900-01-01 Revised:1900-01-01 Online:1987-02-20 Published:1987-02-20