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??????1?6? ?????????????,?????,??

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???,???????????,??,1966?????7??,??,???????1986???????7?,1986?6???

1986???7?????1987????????????????10????????????,??;

1987????10??1998???????????????6?,?,???????????;

1998????????????6?2005??9?,??,?,?????????????;

2005???????9????????2013?12???,?????????????????,?;

2013??????????12?2018?????11?????,???;

2018?11??,?????,?????????????? ???????????????:???