所以最大方柱體積 V1max=4*B^2*A/sqrt(3)*(1-1/3)=8*A*B^2 /(3*sqrt(3))

來源: 2010-09-18 16:08:06 [舊帖] [給我悄悄話] 本文已被閱讀:

but the V2of the ball is 4/3Piab^2.so,V1/V2=2/Pisqrt(3).
It is constant.Where we cut,b is not useful.