ְչֳijӻԵĻᡣָֻ˴ǵְţܰ˳ıһĹ ôдְŵʱҪעЩ?ӦҵСΪһһܽˣ뿴Ľܡ
д˼·
ְҲǽʵһʽԷӳһ˵רҵˮƽ˵λĽǶȳʹְŲЧҪְӦòȡλ˼ķͨ˵λҪ˽ǵҪȻԵṩԼıϣֳԼǻŸɣʹǴϿϣľ
дԭ
ְĿıƪҪݷƪףͬƵݽйϣ֮䰴˳νӣ˵ĽǶȳ֯ݡżҪ߸ɫֳרҵˮƽ˼Ҫֱӡ࣬дҪˣݡôʵѡͶϣıҪʾһֹۡĺдˡ
ְŵ
̫һְŲܶһҳϵĴмд֡֡估Ƿͨ˳ķ棬ӦֿԳһ塣
дְҪʵǵԭóɾͺʵ滪ʵǡֵؽԼҪͻص㣬ijһλijһְλְЧáҪ˳ּҪְ˵λְ˵һηʽĿˣ˵λͨż˽ְߵǺֱ˵ְ˵λְȡõһӡƾ֤
ְȷд
һдҪְλεְ֪λƸϢġڶ˵㹫˾Ҫ˼ֱܺϣѸٵõϵѷʽIJָлԷĶӦƸÿְӦʺϹƣԴ˱ù˾Ҫ
ְŻӦȡõijɹЩĹءְӦǼĸְλijһضˣ ʹøߵֽдϸУԣֻĴҪԴ渱