%0 Journal Article %T ӲĤÍâÂé×íµ¼¹ÜÓÃÓÚÓ¤Ó×¶ùµ¼Äò12Àý %A ³ÂѧȪ %J - %D 1999 %K ӲĤÍâ %K µ¼¹Ü %K Ó¤Ó×¶ù %K µ¼Äò %U http://journal08.magtechjournal.com/Jwk_wjyx/CN/abstract/abstract6941.shtml