(1/2)ҳ
˵ĿǰΪֹ𣬶δģΨнǵطʿˡ
ҽõϢ٥Щʿӵ£ٰٴεǻνġӵDzٿӵĽڰˡ
ȷˣϾһֻӣһӺͲġʵۡʿ
һץסɥʬĽţ͵һɥʬˤڵϣһŲȥɥʬIJڵϣȻһɥʬԴá
ȻԳɽ϶ٻһЩߣɽϵһ㲻ԵʵͻȻ֣п˹ġ
⣬ʵξˣ֪Ϊһ̵ֱڡ
ңԶɽ⣬ΰԶԶţǵ־ǿǿԶ÷dzԶ
ֻδڣҹȡ˱ĿһۣڵʿֻһˣʱͷĻ˻ȥ
ܼҵԵҲ൱IJԵϡֱӵӰ
ԱһģģԭԺеļ䣬ȴϳˣDzۡ
Ͼ鲻Ƿu֮˼ҲǴѹʥ㱻˵лǴȥֻ¹ϲ
ǵڵѧУʵѧУôֻһʡڵרƣһרҵȫģơ
һȻҲĺܣ˿üͷƺڿ˼ʲô
(1/2)ҳ,һҳĶ
ǩĶ