1.碟形彈簧
N[v=;& 圓柱坐標(biāo)
oTcf[< 方程：r = 5
DF
gM7if theta = t*3600
"/2kf)l{4 z =(sin(3.5*theta-90))+24*t
nV`W0 r(f' 
" SP6o 圖1
0;`+e22 qZv@ULluc 2.葉形線.
6':Egh[; 笛卡兒坐標(biāo)標(biāo)
9\=SG"e( 方程：a=10
k2PK4Ua_}q x=3*a*t/(1+(t^3))
2"% f:?xV{ y=3*a*(t^2)/(1+(t^3))
p{ ``a= 
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