(1/2)ҳ
ʱɾոմȻϮзӦϼв룬еǹȣijǰ誺ʷһһǹ˵¡
λʦָûΪղΪ˵ԼĶĻǺܵģϾԼղŵһ˴ʦˡ
ãͷã˵ֻԼͻҪñעԼԸѡЩ۵ķΣֻҪ˸ĺڳֱѡ
ע˵Ϊ̫μˮùĵ̫ͣʹ֮ѾմȾһ˿Ϣ
չװ壬ģӵʱͷһһĻκֻҪһۣı
̼ѧԺöУεĺѡҲУֳ˵ѡֶᱨԼڵУϾͽ᷽㲻١
ڹֵ̼֮£Ҷִ̾Ϊֹֻö̶̲һܵʱ䣬ͰŪĸˣ붼ǸоëȻΣﲻǵġ
Ƭ֮Ъһ̣ڼ껵ɴȻһͷɫëֻ¶һ˫ȺɫӵĹ
ۣ棬Һ˲ѧءȻϲѵ˵
ЩһЩִ˶յƼѽҶЩԽԽˣЦ˵
һ˲ijĬ˳Ĭ¶Ī˹˵
ټУԴܽһSLiЧӦֶΪ
ϵӣ˵ɣ̣ǰ߿϶вʲôġٲҲйũϹһϹʣijλ׳бۣĵij˶Էһۡ
춼ǵĽֵҲDZʨò֣ϳǷĸ̣
(1/2)ҳ,һҳĶ
ǩĶ