71XX=,dd +(I)   1Courier New1Symbol New1Courier New1Courier NewTimesr NewTimes New Roman1Courier New1Courier New1Courier New1Courier NewXVXVXVXV?/ <```@@@?~~~~~ԱޱޱԱ޿޿ph (((Pdd} d<  p {2 *l9Fϱ̑@Fϱ̑@w&AШ>9@@dddddddddddddddddddddddddddddddddddddddd /2??Uy@22$Uy@r3܀@‡j"[acfff2j@,/Xa@gffffff????&&&&&&&Ь!mp\r(a+bsin(t))cos(u)(a+bsin(t))sin(u)bcos(t)3X3X/2??Uy@22$Uy@r3܀@cfff"[a‡jgffffff?,/Xa@2j@???"""""""&d)# Pbcos(t)(bsin(t)+a)*sin(u)(bsin(t)+a)*cos(u)xK= /2??Uy@22$Uy@r3܀@"[acfff‡j,/Xa@gffffff?2j@???4 &X!\!`!d!h!l!l)"~,H#(bsin(t)+a)*sin(u)bcos(t)(bsin(t)+a)*cos(u)xyzfffffffgffffff@gffffff?h|?5^JXT@@@@fffffff@@@@@@@@@@@@@@@@@@@@@@@@RW$RW$RW$(x,y,z) = ((a+bsin(t))cos(u),(a+bsin(t))sin(u),bcos(t)))-Klm:A?!M@=q8@1Courier New (#(x,y,z) = (bcos(t),(bsin(t)+a)*sin(u),(bsin(t)+a)*cos(u))-Kl ب0Nk@8[S@1Courier New #(x,y,z) = ((bsin(t)+a)*sin(u),bcos(t),(bsin(t)+a)*cos(u))-Kls&$ٶs!0Z†@_(N@1Courier New @@@h!@