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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??,????????????????,???????? ????????:????????????