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? ??? ?? ??????? ?? ??? ???? ???? 3? ???????? ???? ‘???????’? ???? ??? ???.
? ???? 2007? 4?~2011? 8??? ???? SM525V ??? 2007? 8? ??? ???? 3?? ?? ????.
???? ???? ????2.0?? ??? 1996? 9?~2003? 7? ???? ??, ????? ? ?????? ?? ??? ?? ??? 21?? ?? ????? 2004? 1? ?? ??? ?? ??? ????.
???? ?? ??? 1998? 12?~2001? 9? ?????? ???? ??? ?? ??? 4?? ????. ???? ??? ?EF??? ??? 2008? 9? ????? ???? ????, SM5 ??? 2016? 3?~2018? 9? ??? ???? 3? ?? ????.
??? ??? ? ??? ???????? ??????? ??? ?? ? ???? ??? ??? 2019?? ??? ?? ? ?? ???? ??.
? ??? “? ???? ???, ??? ??? ???? ??”??? “?????? ?????? ??? ?? ? ??? ??”??? ????.