Ѿ˹Ҳµ¥µ쾮šڴţЩͬ飬ȴѾȥ⣬ֻǰʱá
ûùε̫ạ̃ǵż俪ʼϲ֮ʱǹĽֵϣһӴԼİ˵ñ֣ɱɸ
ʱڣδҲ̫Щ
DZصñ˵ƶѾͶ£
ǰɣ˳ĵ塣ǰһξ֮ǰĴ˾Ԫ¡˾Ԫ¸ˣ˾Ʒ߹٣ٱӻξǴ֮ҪסλٽһǾֻͶЧˡ
ҲǶɱڵıһۣ֮ɫʵλƶ֮ͶЧмҶѩĹ͡δޣδţԳˡ
Ϊ̾ȢȢͣС˼ҳﶮЩ
ԭˣ
ͷѾ·ˡЩ쥵ij˿һۡ
ǸһҪùˡʱξδüΣڶŹ٣Ǵ֮ΪĻƶ˹ƣλȷʵѡ˸ʱ䡣
ƶҲסܽñָʹǰ¶ɼз
ʱھɸ¥쾮ںȲѣҲǻȻΣգȺУϷšδСУһŭ֮
Դ彭֮ϣ¥ǻ˵ĻͶ衣˼ҹ룬α
ϧǼһѳоλȨǿᣬҪԸԳDzס
˼ţպθʱͺȻ⣬һĽŲ
ñȻӿ뵽ڡһ߾ߵīף˷İΧ
һλͷ˽ȷ֮Ҫ֮˶ʵã
ô˾λɸƹʱüͷ壬ĿŭݡڹڿģһûбһССıܹǡ
ֻŸǰ˵¶ӰѴ¥Ʈ£ЦǰĹ̨ϡ
ҪŶȻλġ
ƹϷ˹ȥֻ¥ż䣬λڴԣĿȻš
˲ʱףλɸֻ¾ΪѰȺ˵Ļ
ЩصñҲλİš
ȻDzͷһɨһۣĿסȺе
ȻûӦô£üͷҾҸʷܴ֮ӣģ
DzͷԺЩԥо¥עĿߣٲɣ㰸ˣпŹ˿ʧٰһŰ֤ȷ䣬ѿɾ!
˲ʱʮ֫ϯ˹־ŭšԱߵĻδ㶣æǰΪֱʱŷӦ˹ָDzͷıŭҿǷ!֪˭ҸʷܴӣǧţǸңDZص˭Dzˣ
ҲһβȻŭߵIJң˸ӣǸҷڱǰץˣDzˣȺʲôǸҴȥ
飬ʹĴƬɢDzͷ״ȴһ˫գδգһЦҪܲо֮ܲ˾ɴɱۡҷż
仰ʱһƬ¥˽ɫ䣬δü˵ѱīĻЩñĿ꣬
λʵߴĻԺֻһ˲ѱ˴⬡ܶʱһīףƲȴٶ
һ ػ(1/2),һҳĶ