文档介绍：蒂袂蒃²表示有N种方法;¯。薇薈羃袃莀蒀¯双外摆线薀蚇蒆b===1蚅蒀膂xt=3*b*cos(t*360)+l*cos(3*t*360)肈袇葿yt=3*b*sin(t*360)+l*sin(3*t*360)肆节薃膁羇薀¯星形线芃羃虿a=5袀羇芇t=1蚃莁蚃xt=a*(cos(360*t))^3蚈肇羁yt=a*(sin(360*t))^3肄肃莁蒇***羆叶形线蒅薁肇a=10蒀芆莂t=1薂芃蝿xt=3*a*t/(1+(t^3))艿莆聿yt=3*a*(t^2)/(1+(t^3))羃螁***羈蒆螃¯螺纹线莄蒃薁t=1肁薆螈xt=4*cos(t*(5*360))螅袁芆yt=4*sin(t*(5*360))螀薆膄zt=6*t膆蚂罿蕿蚆薇蛇形线节肀芆²t=1莇螆芁xt=2*cos(t*360*3)*t蚃螂蚁yt=2*sin(t*360*3)*t莀袆莆zt=(sqrt(sqrt(sqrt(t))))^3*5肄芀莆²t=1腿羅蚂r=t*3蒅羂腿theta=t*360*3羈肅荿zt=sqrt(t)*7羆蒀蒆²t=1羁膅肃rho=360*sqrt(t)*2肃膂袀theta=t*25螀膅膈phi=360*t*4蒄袄薆葿芅蒄¯双余弦线袅芁芈t=1芈莅袆xt=-(*)+t*(**2)芅肃蚆yt=cos(t*360*)*()-()芀蒅蚀zt=cos(t*360*8)*5莂蒁肀聿薅蚅¯对数线螃膃螆t=1袈衿肁xt=10*t膄蚁蒈yt=log(10*t+)袁羈蚈薅莃袆抛物线蚀肈蒂t=1羆袁膀xt=(4*t)荿膈蒇yt=(3*t)+(5*t^2)膃薃袅膈芈袃¯勾形线薄羀蚈t=1芁莈芆xt=(5*(cos(t*360))^3)*t羄蚂羅yt=(5*(sin(t*360))^3)*t罿莈芄莅膀莀¯次声波螈蒈艿t=1蒂袂肅xt=t*5薇薈莁yt=cos(t*360*8)*t袃莀肂薀蚇肈正弦波芄肂膅t=1荿螇螂xt=5*t*t蚅蒀蕿yt=sin(t*8*360)*=10芃羃芁pressure_angle=20袀羇薅r=(pitch_diameter/2)*cos(pressure_angle)蚃莁莅t=1蚈肇莆xt=r*cos(90*t*t)+r*(90*t*t)*(pi/180)*sin(90*t*t)肄肃蒁yt=r*sin(90*t*t)-r*(90*t*t)*(pi/180)*cos(90*t*t)蒇***蒁蒅薁***普通外摆线蒀芆薂r=10薂芃芃t=1艿莆腿xt=t*(2*pi*r)-sin(t*360)*r羃螁芇yt=r-cos(t*360)*r羈蒆羃莄蒃蚁¯小飞机肁薆羈t=1螅袁莇xt=cos(t*360)+cos(3*t*360)螀薆莄yt=sin(t*360)+sin(5*t*360)蒀袇莃袃羀羁¯弯月薇莄蒆t=1蚁肀螅xt=cos(t*360)+cos(2*t*360)羇肆袁yt=sin(t*360)*2+sin(t*360)*2蚄膀螀莈蒄薆¯五角形线蒃膀膆t=1蝿