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

2???????

3????????????

4???????

5?????

??10?????????14?????(????? ??)?????????????????14???,?????????????,???

?????????????,??,???14.1??,????“?????”??1.46???????,??????

???????????,?????????????,???1000??“????????????????????”????????????????????????????????????????????,?1100????????????“????”????????????????,??????

?????????????????????,?,????????????????????27??????????????????????(???????????,???????),?????????????????????120??????????,?????????????????????????,??4?????????

???????,???????,??????????“?????”??,????????,????;???,??“?????????????????????”??????????????,???????????????????????

?????????????????????,?????????????????????,???????????????????????????,?????????????????????????????????????“??”??(???????????) ?????????:?????????????