????:1???????????:????

2???????vx

3?????????

4????????????

5???????80—100????

???????2???????????????????????3?? (????????????????????? ???????????)????????3??,?????????????,????????“????????????”?????????

?,??,?,???????,?????????????????????3?????????????,?,??????????“??????”?????????????????????????,??????????????????????,???????????????

??1?????????????23?????????29?LG?????,????????1??22?????,???????,?????,?,?,?????????

?????????1???????????????23??????,????,???????,?????????????????,???,?29?LG???(??) ???????????:?????