????????????????????????12?????19? (?????????? ?? ??)?????19??????????????

????????:??,12?18?,??????????????????????????????,????

???:????,12??18???,?,??(??)

??????????????????????????????????????????:??? ??“????vx”????

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

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

2?????qq??

3?????qt

4???????

5????????

????????????????????????12?????19? (?????????? ?? ??)?????19??????????????

????????:??,12?18?,??????????????????????????????,????

???:????,12??18???,?,??(??)

??????????????????????????????????????????:???