?????????????????8????????????19? ?19????,?,8??????????????19???,?????4410?4411????,??,?????

?,3?24???????????????,??????????????4410???????,??????????????????????,??????21551?????????????,????,????

??,????????????,?????

?????,????????????????????????????????,??(????????????????????????) ?????????????????:?? “?????V”_????

?? ???????????????????????????????

????:1??????V:?????v

2???????????

3?????????

4?????

5??????

?????????????????8????????????19? ?19????,?,8??????????????19???,?????4410?4411????,??,?????

?,3?24???????????????,??????????????4410???????,??????????????????????,??????21551?????????????,????,????

??,????????????,?????

?????,????????????????????????????????,??(????????????????????????) ?????????????????:??