˾

ҳ
С
ҳ Ŀ ¼
һ ̫а2/2
ľ˿̣ǹ˲׷µ񣬹˲ϸղŻĺİοǾ͸С͵鶯Ƭûκε𡪡ССͲѧã֮ôˣ㣬Ͳ֪ʲô

    ǡ޹ĺҸͲɿ˫۵ĻǣҪ벻ҲͰϹ̫òµIJɣԣǰѺֵԼĽˣ

    𪣬д֣׷йˣʯϵüͷ

    һ³ºܰ𪱩ŰһưˣҧͷǷѪգǸʵŻ̫˴̫ҽˡνĺ֡

    ̫֮󼴱㲻ȥⳤūţ۵ĴŵӡУǰ֮Ȼɫ㲣ɿΡûһ˿Ƶİ𪼡͸˫ԹӣаеĻǣɵDzŪˣǵǺ̬ӣǰ֮˷ʮ

    ӶϲģЩϷ棬ͲͿ򵥻ױһбŮŮж£Ī˵ʮ˱ɰʮ

    Dzʲ͵ˣмֽһָԱߵȥƤˮﵹҪʣ˭Ļʹ

    ϵĵܼ򵥣ľ񲻴СƵľܴܰӣľ֮£βɵãĪڵָͦʹٲҪȥȪ·һأ

    ãЩǶ־Уߣȥ͸͸磡ʯϸæסϵ־ߣЦ𪱩ŰͷѾժˣõ̫ӲҲֱӣʰ껹ȥ󹬣ֻͷ𪣬һ

    ԣϽϸŸһ䣬ղźӰˣ

    ҲǰŵĹ򣬿ڹˣضʵĻ޲ܰԴΪָʹȷ̫ܰӣ

    ´ȴʤͬҲµԼŮѵģò䣬Ҳа취ԼẠ̊́ڣǽ˺ԻһƣٿŮ֪ӱΪ

    ûб̫Ӹõָʹߣ

    ̫dzijˣҲdzijˣҧǿ⣬ο̫𪻹׸ӣӲ췴ɣòƻĿڹϸ֮ȴǿѨУ̫ӶԺֵ̫򵥣Ѿǵ̫ӣӣѹӵΪɸΪһТ֣Ҳֻ̫ӵλøι̡̫ˣ˷ͷ̫̫ӻдڵıҪô

    ȻҲԤԼĽ֣Ϊݿڹһģ˵п٣һڸӼ䣬Ц̹Ȼ̫а޾壡

    ȥɱŮˣ

    ϴW֣԰׵ɫ֤ӵжϣһǶһɷ׽֮˸ңΨһľڣ

    У飬ҪӷĿô

    Ů˿¹𣿶ȷڸ±𣡡ĽԷɣˣȴû˵طiΡ

    룬̵Ŀ껻±ؽµķţĻ˴ɣñ˵ҲȷʵǷdzɵĹ

    ûʯϵķĿһ

     =>>(δ,һҳĶ)
ҳ Ŀ ¼