һǧʮҿռ
ݷüͷһʶʵСӣ⻰ʲô˼
¼棬ǹ˶°Цǰ㻹˻ɱңô˵ˣ
ݷDz֮ɫϸĿԽǿȥԽǾúòЩϤһʱ벻Ǿɱȴ뵽ʲôЩɱ̫ˣôܶס
ݷףɱʿЩ£ǵСӣ㵽ʲôˣ
ȻһЦӳ¼ӵļIJôݷ㻹ǵ𣿵һСģɱˡ
ݷͬĵܵܣֻǰСӣǴүˡ
¼һǿȥݷΪ츳Ϊߣ㵱档ݷȷʵǸֳܹĵܵõ飬˸۸ǣ˭˭ҶԷһ˵ԷΪֱ̫ͣӹӶɱָɵԷӶʿȶԷ߳һ硣
ЩݷɻɱʿľˣǴǧʿΪߣûһ˿ԻŴߡ꣬ݷɳɱɱֺûɱֵϢҲʧһ
ΪݷΪɣҲ¡
˿̣£ݷɱⱩǣǺʲôˣ
ҲʲôˡһһٵҾǺ
ݷһҡͷܣѾˣ㲻Ǻ
úϻɭȻ˵ΪЩɱҵĶ֪Ϊʲô㺰Ϊʿ֪ʹˣҲȲǡҪ壬dz¼ҲҪ塭
ݷһѹĵŭЩŵôĿҺ֪εҵҡ
ҳΪܸߣôЦżǿɣһҹ֮䱻𣿡
˻һɫһż屻һ£֪˺٣ҶڸڲϢʹɢҲ֪Ϊǧʿȴ֪£ֻֿܣһΪ֪ˣ±ͺйء
ݷɲΪż壬õһֿҪһЩʵСӣɱż֯ʲôϵ
Ҹ㣬Ǿģ𣿡¶һЦݣݷɵͺڿһˡ
ݷɸţźһҹ֮ɱż塣Ϊ֪ϢһҪ˵źԴʹʹʩչѹʹʿǿҲֵסѹ
뵽һͷڳݷɵԺѵҲʹԵֵѹɣתһ룬־ûֿܣʹΪܸߣôɱأ
Ȼֻ˵ʹʶǸʹʲôأ
ݷҲõϢʹڵżһ£ץסԵõĺôó¼ҵĵλһ˵ܺǣߣΪһʹݷԽȥԽ˷ܣЦŵʵӦøл㣬ΪṩЩϢһĺôأ
˻һ˶һ¶Īɫѵ¼ˣ
һǧʮ ҿռ(1/2),һҳĶ