ҽʦִҵע˱
ҽʦʸ
ҽʦʸ֤ ҽʦִҵ֤
ʱ
л
1
2
˵
1ȡáҽʦʸ֤顷ҽʦִҵעʹá 2һøֱʻëдҪ塢ʵּҪ 3桢3-4д5-6йزдҽʦִҵ֤עܲд
4ڵʱ䣬һùд 5ִҵѡִҵҽʦִҵҽʦ 6ִҵѡٴҽǻ 7ѧӦдӦѧ 8Ƭһýڶա
9дƸÿĿʱٴǻİҽƻƿĿ¼һĿдҽģҽƻƿĿ¼Ŀд빫ģչҽʦְҵд 10ȡҽ˧ʸ֤״ע߲дҵˮƽ˻֯ƺѵʱ估˽˺ѵ֯Ŀ 11дݽ϶࣬Ӹҳ
3
ѧ ַͥ רҵְ ְʸ ֤ ִҵ Ƽ ǼǺ ִҵ ַ ִҵ ִҵҽʦʸʱ ִҵҽʦʸʱ ʱε ԭܹ ִ ѧϵ רҵ 4
ʱ ͽ״ ҵˮƽ˻֯ƺѵʱ估˽ Ҫ˵ λ ְ ֤ ǩ֣ 5