???

.?
?????????
???????

2.??
????????
????????????

3.
?????????????
????????????????

4.?
?????????
??????11??????????

5.?
?????
????????

6.?
??????????
?????????????

7.??
??????????????
?????????

8.?
???????????
????????????

9.?
???????
????????????????

10.?
??????
...

(?) ??????????????????

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

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

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

() ??????????????????????????

??

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

(?) ??

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

2?????????1????????????????????????


3??????????1??1???^???????i??p????????

4?????...

???.??????.???.???.???.?.????.??.??20.??10??.?.?.??.????.?.??400?.????????.?,,.?.??.

?,??..

????
???????????????????????????????????????????????????
??????????????????????????????????????????????????????????????????????????????
??????????????????????????????????????????????
???????????? ?????...

?? ???
?????
?? ??5m?
?5cm?3cm???
?? ????
????
?? ?????????
?????
?? ?????????
????????13??????????????????????
?????????????????
?? ??????????????????????????
?????????????????
????????????????????
?? ?????????????
?????????????????????????????????????????

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

?:...

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


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

???????????IPL??????????????????

????????????????IPL????????????????????

?

(?)?
??????5-10????????

()??
??????

()?E??
?E???????E??????E??????E?????????5-10????????

()?C??
?C??C??????????????

()?????
????????????????????8????...