(1/2)ҳ
μ칦Ʋûͣȴһʽɳ̫ʵաʼչ
漴ˣȻޱԼ뿪ġ
DzûذϾͬѵóȻѾˣܾôҴææĻȥɡ
ϾȵԴ㻹ͦģ˳ˣôͻʱ䣬ż˺úһȦ
ƽʱæлܹ˳øˣȻ
ڵJȪкܶྭ䣬ػĪ߿ߣɳɽȪŹأصȹųǺͱdzַԼܶοؿһʢǾǺ֡
˵ļûеõĹͼᣬļĺҲļǷdzֵȥһߵġ
˵ηdzĵ͵вǽܿJȪξֵ쵼ʹҴææҵǡ
ܣܣJȪô֪ͨһءһŰ׳۾ʮ˵쵼˳æǰ˫סôзdzرͨ
Ǻǣסλ쵼Ц˵ǰתһתһط㣬밡鷳
ô鷳أǵطϵҰĹ붼벻ô鷳ءλξֵ쵼
ξֳֵԱͬλֳһλɲʱ
Ե˵ͷȻֳЦ˵ֳΰΣô˾֪ģӰ첻á
ǰҪ鷳ˣôôˡ
ôأǹͰô˵˵ҲӦдǡֳƻص
أЦҡҡͷνڣǼ鼴˵ǰλֳڣ϶ͼıҲôԶһڴ˶ٵôġ
뵽⣬ЦŰ˰ֵǰ㲻ʲôͣ㰡Ͱǵͨοˡ
ǷǹⲻȥĻɣǰһȽϤĵΣǰҲ˽һǵصʷͷ飬ʶ
ôһλֳҲ漴¶ЦݣȻӦȻһʮ꣬ɫڣҲǴŰɫƯŮǰ棬ƽ
(1/2)ҳ,һҳĶ
ǩĶ