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标题: jk [打印本页]

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作者: luluka    时间: 2023-2-21 17:27
标题: jk

x=rb*sin(t*PI*1rad)-rb*t*PI*cos(t*PI*1rad)

y=(rb*cos(t*PI*1rad))+((rb*t*PI)*sin(t*PI*1rad))

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