??
?2???8??(?? ?????????????????????)??,???????????????????8????
?8??8????????50???:??????,????8????9???,????????????????5???????????10??,??
???5?8????????????9?????????,??????
?????8?????,2??8?????????????~9????,????,?8~11?,??12~15?;???????????????17~20?,?????????????22~25??
??:?8??5~6????????????7~8??,???????;8??~9?5~6???????????7?,???????????;10???????5????????????????6~7????????????,????
????,??????8??10????IV????????(??????):????????,?????????????????????????????????????????????4.5~5.8?????????????3.5~4.5?????????????2.0~2.5????????????????????????2.0~3.4????????,??????????,??(??) ????:???????
?????????
??????????????? ????????10?????????????????