西南石油大学学报(自然科学版) ›› 1992, Vol. 14 ›› Issue (3): 127-128.DOI: 10.3863/j.issn.1000-2634.1992.03.018

• 探讨与争鸣 • Previous Articles    

  

  • Received:1900-01-01 Revised:1900-01-01 Online:1992-08-20 Published:1992-08-20