›› 2003, Vol. 15 ›› Issue (6): 0-360.

• 论文 •    

Forecast of occurrence tendency of cotton bollworm,Heliothis armigera H.by Markov chains transition matrix

  

  • Received:1900-01-01 Revised:1900-01-01 Online:2003-11-25 Published:2003-11-25