1߿־Ը(bo)܈(bo)ׂ(g)
һr־Ըǿ(bo)6(g)ƽеČW(xu)У־Ըÿ(g)W(xu)У(bo)6(g)I(y)ͬʡݵĸ߿־Ը(bo)(sh)DzһӵҪձʡݽԇԺҎ(gu)(sh)(bo)־Ը
2Ƹ߿־Ը(bo)ļЩ
1xИI(y)ԺУ
x=xI(y)xI(y)=x͘I(y)ИI(y)ԺУL(zhng)ڵkW(xu)^(gu)зeS}P(gun)ϵP(gun)I(y)g(sh)ԏ(qing)Ҫ(bio)(zhn)_(ki)O(sh)P(gun)I(y)־ԸԺУԿxԺУеƌI(y)͘I(y)(du)ҲʯƌW(xu)УƌW(xu)ԺF·W(xu)ԺˮˮW(xu)Ժ
2ע⌣
(bo)־Ը֮ǰҪ˽һ־ԸO(sh)ú(bo)Ҫǰˇg(sh)ͨͶnʽ־Ը(sh)