????

?  
???????????????????????????
?? ??????????????


???  
???????????????????????????????????????????????
??  ????????????
?? 
???????????????????? 
  ??????????

    ???????????
????????????
 ???

1????...
2??????????
3???
4?
5...

???????????
? ?????????????????????????????????j?? ??????????????????????
1???????30-60????30?2??1 3-5?????????????????
2????????30-60???????30????34????20?????
3??????30-60????2??3001002?2001002???2??3- 5??????
4?????????60???????????(?)?98.8%???5-7???14?
5????????30-60????2??1????12-15??????2...

??????????1???????2????3?????????
????????????
????
?????
?????????????

????????????
???
1?????????

2?????????????????

3?????????????
4????????

5????
6???????

7??????????????
??
1????
2????????
3??????
4????
5??????
6?????
7??
:???

???()????CE?????????? [] ????????????????

???
??????
!