ʱĽͻȻʧˣƶ֮ʣԭұƽ͵ؽˮУһԭػˮһ߳ҴеϺ쿴ôȻˣæDZȥϵӣû뵽һȫק˹Ҵ˿ͷ֪ʲôʱѾ͵͵سˣҼæӣͷȥ鿴ԼȻֻʣһƯˮϡǸϵͷ˵ͱ˶ˣ
Ӿؾ̽ҪǡˡҲͰˣֻ¡֪Ҫ˵Щʲô̷Ӳҩˣ¡
˵úãΪ˷ֹˮɢӺһ˱۰һسشԿ˹ȥʵɫ£ԼشаһѰɫÿһСۼ⣬ֺǺǵЦôﻹͷô˫Ƶ
˵ôĵơĻҲﲻôһмѰɹĵطǰ˼ʱ֪һɾˣҺӵƷȥǺ˼ˮҪüʱЩСӺڻбһţ˶һһ
һֻеľ֪ʱĵDZ˾شУ˿ֻ͵۾ǣ¹ⴸļϣĹϵһ⡣ȫˮУֻǿףͰŰϵһžڣ¶ˮIJжϣȫ£͵ʹҲʵҺӼŵûɢ붼Ťͷܡܶǵжһ㣬βһӱαߺϺû뵽ˡʦδָԱûҵԼ˽ȥˣ壬һȥء
ſѪһ·ںʹܣҪ¶ȥͻȻ֮䣬֪ʲһôʣƱһ㣬һ𣬵ת壬ٴijȥӱһɾ˴ߣĨһϵˮϺDzǸңôҳ㣿ҴŮأһܰôȴ֣ķвԵĵױΪԶһٵͣ
ó֮ʣȴָžشԴ쿴ȥˣҳָķȥֻǶȫžشϣҴδ˵ûзУױԵҪȥϾشԣǰ⾰̫죬ֻش糤˽һںˮзǰȴҲϲٶȡ˼⣬ֲҿǰȥһֻ̽ԶԶֻǽױʱǰҧˮ
ϸ۲һؾأ˶ߡҶ˵㿴ֵ£Dzʲôڷ⡣
ִڶϣң˼ۣͷ˵һͱǣžأҾ˵ֲij˽ţôô졣DZʲôˮܡ
ˮж֣Ϥеĸݷޣ̫ͷ϶治жࡣ
Ҷ߲סҵİڱʲôķٹһ㡣
ʥȪѰ ڶʮ ɹ 3(1/2),һҳĶ