???????????
??????????????????????N?1/3??1?1/3--2/3?2?.2/3???3?
???
???,??????
“???????????” 的相关文章
:?.?,??
?.??????????????????????????????
???????????????
1?--???????
1.?????????1:5000?1:1000??1?0.5--1??????5--105--10???11??????????????r??????(250?5??)??10?1????????
2.???????????????
3.??????????????10?????1?1? ? ?????
???????????????
1?--???????
1.?????????1:5000?1:1000??1?0.5--1??????5--105--10???11??????????????r??????(250?5??)??10?1????????
2.???????????????
3.??????????????10?????1?1? ? ?????
???????????
????????????????????????????????????????????????????? ??????????????????????????????????????????????????????K??????2-4?????????
???????????
????
???????????z??????
1-2?z????
??????????
???????????z??????
1-2?z????
??????????
?
???????????@@?????????????175????
??? ?? ?? ?????? ???? ?????
????????????????????????????...
??
1???
2?????
3??????????????
???
1???????????????
2????????????
3????????????
4??????????????? ????
????????...
??
????????????????
???????????N????????
????????????????????????????????????????????????
??????????????
???:
???????????????????????????????????????????????????????????????????????
1???
2??????????????????????????????????????????
3????
4????5?????????????????
[]
1??
(1)??????????
(2)??...
???????????N????????
????????????????????????????????????????????????
??????????????
???:
???????????????????????????????????????????????????????????????????????
1???
2??????????????????????????????????????????
3????
4????5?????????????????
[]
1??
(1)??????????
(2)??...