%0 Journal Article %T À³ÌضûÊÏ×ÛºÏÕ÷1Àý %A ÍõÇ£Öù %A Û¡Èã½Ü %J - %D 1994 %U http://journal08.magtechjournal.com/Jwk_wjyx/CN/abstract/abstract13466.shtml