(1/2)ҳ
˵Ŀǰ۵DZֻͧ²DZͧӵΪȫƶĹһûϢȻˣۣڽжƾͲ֪ˡ
ƾõϢ֮ǰзǿӵҲѾõ½DZͧˡӵԼصDZͧҲ˺ܸߵۣʲôʱͲ֪ˡ
ͳ̬õDZͧ棬ǽȫƽDZܻͧսҪüΡ
ΣػԱһЩװ棬絼䳵ϣԼһЩҪij㹻ɿĻȫսȫֱɻҲܳΪʵ
һЩ߾豸Ʒ棬ڹǡ֪ǵҪǿģǵҲڲصйءһߵϵͳĻôǾͻᱨϡ
ͳ̬㹻ȶɿĻȫõ棬ⲻܹǵʹһܼĽصijɱ
ںһЩ룬гĶĻôʿսϵͳܾͻܹİʿǣıսIJʽȵȡ
Ӫҵ֣һʴҪǽ⼸Ҫص㣬Լ;еĻ˵⽫ֲҹ⣬ܹΪҵкܺõĺսԲ䡣
ȻôǷչҵϾⷽ˼óҲ㹻ĻȨǵȷûͺ켯Žо
صǵѲӰϵͳԼѲӾ˻ϣҶŨȤ
ԮװרҵĻ˵ѲӰϵͳԼѲӾ˻ھ£ΰѵָͨӣɭַȵشá
ôһϵͳԼ˻ͿȫʮСʱҪѲߵеͿշѲӣʱ̽صĿĿ꣬⽫Ľʡ߶ļ
;˵߾ߵѲߣǸӵµѲڹȥһֱǿԱУʱʮֵļࡣ
ЩҲֱɻԼ˻Ѳߣ
(1/2)ҳ,һҳĶ
ǩĶ