һٶʮһ ַ(3/3ҳ)
էһʮֻΪܲٶ֮ܿЭѳľIJܰЭȥӵҲܡܡĪǡϿҪЧƣַԷ˼άݵĹȼڼһ˲̼ͼ̼չԣDZȻһЦ֪߷ТҲڼַ̼ͨͳΡȴ벻ǰŮӾʿҪΪ֪ڼνķַָǡơĿּΪ̼ĺıöԷļ̳ȨӶ̲̼ͳΡ̼˿ϿɵġַԷԭǡַݡԷܡָͬıʿַأڴƶһΪһؽͳεľݵ㣬ǶҲá߹ȻСַ⡱ȴűʵ𡣺ķַʵ⳼֮Ĺϵǡܳķַ֮ĹϵǡѵĹϵԴʼͳһ֮ԭؽϱ֮˵Ϊʵ۲̷⳼ƽƽ⳼һлȾָȨػȡ֮˿ۼָ̼ʱڵĹƣڼﶼûʲôסΪDz֪һ֮»ᷢʲôı仯ʱǰάֱϵͳһΪҵսʱǰԼûߵŮڼɴڣֱмңβЭߣ䷴Ŀ֮ʦַڼˮ֮ƣ̼ɲ˶üΪһԽ߲̼űȼڼθΪǿҵͳһҲͬĿǰʵʱֹ·ѵƣΨмʵδıʷ̡ԴǴμڼַ̼֮㿪ʼĥַԼδɷַڼ˿֮ƣҪЭڻ֮СΪܲѾЮİϷ˼£ߺijشܹDzñȲܲٺáһϷĿЭܷһαסǿɾ˵ˡϾʱϷķԶȱҪҰöࡣЭ˺ҵΣ̼ȴԸؿλʷϵɽڷⲻΪ̼һ˿ԡһϵ㽣ͬʱҲ̼˵ijŵйءǾͼ̼ΣȻӦӣӲųѨڼ̼һһʱ䲻Ϊ֮۳Ų̼ǰһ̻ͬιϷֺҽɽһȴֻΪһŵЧļƲߣڼʵЩǰŮӡ˵ڼ۶Էж౩塢̣ܳӦԡΪڼʮЩҪʲôΨڲ̼ǰȴʼץס̼˼Ҿڼڼ֮ʱһԵĹȴпοΪ̼ͬijŵͬҲڶꡰ²䡱ԡҪ֪иڲ̼ݽһ絣ǣηƵתڶˡ̼ȻûԸҲûʲôõǵˡͼһչŲ̼һݵϼоϣԵȫŹ̬ڼҲ˾˼˵ַķҲģ̼ԵĻϽеѡοڼͲǺҵҡȻ̼ȻĿ꣬ڼŵһתԼı˾ʵʩҲĴʹӷַ֪¹ؼںδ(δ)