谁能帮我把它转换成C#。这真的伤害了我的大脑。http://www.evanmiller.org/how-not-to-sort-by-average-rating.htmlrequire'statistics2'defci_lower_bound(pos,n,power)ifn==0return0endz=Statistics2.pnormaldist(1-power/2)phat=1.0*pos/n(phat+z*z/(2*n)-z*Math.sqrt((phat*(1-phat)+z*z/(4*n))/n))/(1+z*z/n)end这是什么意思?Statistics2.pnor