???
??????,?,?,????Smith(1993)??????p????????????5%??15%?5060%???8191%65???57%?39%
????
????????????????????
??
1?? ????????????????????????????????
2??? ???????????????????????????????
3? ??????????????????
4? ?????????????????
5?? ???????????????
6? ????????????????
7?? ???????????
8?? ???????????????
?????
1?????:???????????????????????
2???:???????????????????????????
????
1??
????????
2?
1???????
2??
3????
4???????
5?????
6????????????
3????
1????????
2???
3???????
4????????
5???????????...
????
????????????????????
??
1?? ????????????????????????????????
2??? ???????????????????????????????
3? ??????????????????
4? ?????????????????
5?? ???????????????
6? ????????????????
7?? ???????????
8?? ???????????????
?????
1?????:???????????????????????
2???:???????????????????????????
????
1??
????????
2?
1???????
2??
3????
4???????
5?????
6????????????
3????
1????????
2???
3???????
4????????
5???????????...
“???” 的相关文章
????
?????????????????????????????????????????????????
????????????X??????????????B????
???????????????????????????????????????
????????????????????????????????????????????????????????????????
&nbs...
????????????X??????????????B????
???????????????????????????????????????
????????????????????????????????????????????????????????????????
&nbs...
??
? ?????????30-60????????????????3-5???3-5??6-8????????5??3-5????????????????????????????? ?????????????? ?? ???????????????????????????????????????
? ??
??
? ??
??
????
?, : http://zhidao.baidu.com/question/37335563.html?si=4
????
??????C???
????()??
(1)???????????????????????
(2)????????????????????
(3)???????????????????
(4)??????????
(1)?
?k?9??2
??k?6??3(??)
k?6??3(?)
??k?6??3()
??5??3(??)
?10?2()
E???6??3(??)
??3??3(??)
??10?3(???)
?B10????5??3(??)
(2)
??30??...
????
??????C???
????()??
(1)???????????????????????
(2)????????????????????
(3)???????????????????
(4)??????????
(1)?
?k?9??2
??k?6??3(??)
k?6??3(?)
??k?6??3()
??5??3(??)
?10?2()
E???6??3(??)
??3??3(??)
??10?3(???)
?B10????5??3(??)
(2)
??30??...
?????
?.
?:?,,,?.
?????15CM???(???),,.
?????,?. ??. 3--5/?/100?.???? .
?,??,?.
,???.??.
??!!!
?????1??????????????????? ??????????????????????????????????????????????????????????????????????2??????????????????????????????? ???? 1???????????2??1???????2??3????4???????5?????6????????????3????1????????2???3...
?:?,,,?.
?????15CM???(???),,.
?????,?. ??. 3--5/?/100?.???? .
?,??,?.
,???.??.
??!!!
?????1??????????????????? ??????????????????????????????????????????????????????????????????????2??????????????????????????????? ???? 1???????????2??1???????2??3????4???????5?????6????????????3????1????????2???3...
??Y
?????,?,?,????Smith(1993)??????p????????????5%??15%?5060%???8191%65???57%?39%
????
????????????????????
?????
1?
??????????????????
????????????????
?????????????????????????????????????????
????????????
2?
??????????????????????????????
????
1??
????????
2?
1???????
2??
3????
4???????
5???...
????
????????????????????
?????
1?
??????????????????
????????????????
?????????????????????????????????????????
????????????
2?
??????????????????????????????
????
1??
????????
2?
1???????
2??
3????
4???????
5???...