????λ?????? > ?????? > ??????? > ???????F > ?k??????
?k??????
?k??????--???????????????
?????????k????1???10?????
???????????50?????????????????3????μ??????????????????????????????????
?????????Ρ????????????????
???÷??????????5?裬?????????
?????????????????????
?k??????--?????????????
?????????k????4???????2??????磩??????2???????????????2???????1????????????????2????????????????[????
????????????????????5??????С????????????б???????????????????????????裬????????
?????????Ρ??????????
???÷??????????30?裬????????????????????
???????????????????
