(1/2)ҳ
һֱڸ¼ƷƣΪƳȽļƷ
Ҳһֱڴ¸¼ĿͿУΪƼҵṩŸãȽĿѧ
еϣǵIJƷǵļܹᣬܹЧǵĹҡ츣ڣ츣硣
۹.ͷԾ
ǽᶨģڿѧ̽øȽ츣ᣬ츣硣
žžžž
ֳһҵǶǹɼһϿɣҲǶDzģֿ̬ȵһͺ
վ̨ϣ˼̨°
أ¶DZ־ԵЦ˽
ǺƼһֱѧҽƽļоҲѾȡ˷dzĿijɹ
Դǵܷ֫ѾΪǧװصܷ֫ǵֽٴΡȫָ
ȻֻռӴIJмʿȺĺСһ֣Щ˵ĿҲȷȺ忴ϣ
ĿǰԽԽIJмʿѾͨصܷ֫عҲڻĺһ𣬼ƽһĿijС
˵ţԱߵİиһƬƬأһλʮˡɫڣƤֲڣһֱܷ˪ĵͲͶߡ
أڵȴŲҴӵЦݡԽЦݣԽܹˣֳϿƬǶɵ¶ЦݣҲ漴
ƬСԪʮꡣԭһũΪһδ¼أ˫ּ˫۱ѹսҽΪ˱סѡ˫۽н֫
һʮ꣬һֵ׳꣬긻ǿʱû꣬ĵڶӲŲһꡣ
ںľ˼ĻǩһǮǿԺˡʧȥ˫۵ȴԼճչ˲ˣ˵ȥҺˡ
ԼصҲ䵽ϣӵijɳҪǮҲǮ
ΪܹǮʼ˼ҽؿˮࡣÿһˮëǮÿҪٴˮ࣬ÿһˮ50ÿҪʮˮࡣ
(1/2)ҳ,һҳĶ
ǩĶ