????:1?????VX:???????

2?????

3??????????

4???????

5???????????

??? ??????(1?30???????)??????,???????,??????????,?????????????-2?,??????

??,????????????1.2?,????????????

??????,?????????????????????,??,?????????,????????,?????????-2?;???????????,???,????-6??

?????,??????,?,??????????????????????;????,???????????? ???????????:?????