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zhanghongwen330

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·Éµú Çò×ø±ê rho=20*t^2 theta=60*log(30)*t phi=7200*t "rho=200*t" "theta=900*t" "phi=t*90*10" ÈýÎ¬Íø¼¼ÊõÂÛ̳h`eSp9@t
Àº×Ó Ô²Öù×ø±ê r=5+0.3*sin(t*180)+t theta=t*360*30 z=t*5
k        p&S/E.]Z%z3dportal.cnÕýÏÒÇúÏß µÑ¿¨¶û×ø±êϵ eyf4x=50*t y=10*sin(t*360) z=0 ÈýÎ¬Íø¼¼ÊõÂÛ̳)rsE*Y1]Q LO0m
ÂÝÐýÏß(Helical curve) Ô²Öù×ø±ê r=t theta=10+t*(20*360) z=t*3
.Cu*pt{ÈýÎ¬Íø¼¼ÊõÂÛ̳ºûµûÇúÏß Çò×ø±ê rho = 8 * t theta = 360 * t * 4 phi = -360 * t * 8
"]!a.lEl#R)xN WÈýÎ¬Íø¼¼ÊõÂÛ̳Rhodonea ÇúÏß ²ÉÓõѿ¨¶û×ø±êϵ theta=t*360*4 x=25+(10-6)*cos(theta)+10*cos((10/6-1)*theta) y=25+(10-6)*sin(theta)-6*sin((10/6-1)*theta)
nvSu[Eb8LÈýÎ¬Íø¼¼ÊõÂÛ̳ԲÄÚÂÝÐýÏß ²ÉÓÃÖù×ù±êϵ theta=t*360 r=10+10*sin(6*theta) z=2*sin(6*theta)
B-ffUzXh2FÈýÎ¬Íø¼¼ÊõÂÛ̳½¥¿ªÏߵķ½³Ì r=1 ang=360*t s=2*pi*r*t x0=s*cos(ang) y0=s*sin(ang) x=x0+s*sin(ang) y=y0-s*cos(ang) z=0 OE
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¶ÔÊýÇúÏß z=0 x = 10*t y = log(10*t+0.0001) 3dportal.cn5k7_
l%C+E-Z(P2P_3]
ÇòÃæÂÝÐýÏß ²ÉÓÃÇò×ø±êϵ rho=4 theta=t*180 phi=t*360*20
-m
o6`u.QDÈýÎ¬Íø¼¼ÊõÂÛ̳˫»¡Íâ°ÚÏß ¿¨µÏ¶û×ø±ê l=2.5 b=2.5 x=3*b*cos(t*360)+l*cos(3*t*360) Y=3*b*sin(t*360)+l*sin(3*t*360)

G#p,\az8^'LB2c,t9XÐÇÐÐÏß ¿¨µÏ¶û×ø±ê a=5 x=a*(cos(t*360))^3 y=a*(sin(t*360))^3 ÈýÎ¬Íø¼¼ÊõÂÛ̳"Z"Z?J5ds9l!mV
ÐÄÔàÏß Ô²Öù×ø±ê a=10 r=a*(1+cos(theta)) theta=t*360
$UiY/d4A(]r3dportal.cnÒ¶ÐÎÏß µÑ¿¨¶ù×ø±ê a=10 x=3*a*t/(1+(t^3)) y=3*a*(t^2)/(1+(t^3)) d$e9b&\g:]*EM
µÑ¿¨¶ù×ø±êϵÄÂÝÐýÏß x = 4 * cos ( t *(5*360)) y = 4 * sin ( t *(5*360)) z = 10*t ÈýÎ¬Íø¼¼ÊõÂÛ̳F:\xu&RE1u:G
Å×ÎïÏß eyf13µÑ¿¨¶ù×ø±ê    x =(4 * t)    y =(3 * t) + (5 * t ^2)    z =0
;I#^[.xOÈýÎ¬Íø¼¼ÊõÂÛ̳µúÐε¯»É eyf12Ô²Öù×ø±ê r = 5 theta = t*3600 z =(sin(3.5*theta-90))+24*t
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