????:1?????vx:???????

2?????

3???????

4?????????

5???????

?????“?•?????”????? ?? ?? ?“????????•????????”???????? ????? ?????? ?????“??•????????”??????????? ????? ?????? ????????“?????•????????”???????? ?????? ?????? ?????“?•?????”????????? ? ????? ?????“??????•?????”??????????? ?? ????? ?????“?????•?????”?????????????? ???????? ????? ??“?•??”??? ?????? ???????? ??????:???????