3.9??????????“???”??????? ??“????”
???“?????????????”?:????????????????“?????????????????????????”?3.9???“??”,??,“?????”??????????????,????“??????????????????”?
???????,???«??(??????????????)»????????
2???????????????21?????,????????????????,??????“???”“?????????????”??????????????,“??????????????”???,???50?????,??????,????????????????????3.9???????(???????????????? ???????????????????????????????????? ? ????????????????)
??????:??????