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

2????????

3???????vx

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

5??????????

??????????11??26?? (?? ?????????????????????????????????)???????????26?,????????????????,??,“??”???“????”??????70?(?,??)?120??,??80???160????????

?20%,????????????????15%??????????40%?

??,???5???????????????,???68???????,????????“??????????????”“???????????????”????

??,?,?1400?????????????????????/????/?2000?/????????/?????

??????,?????????????,“????”??“???????????????”??????112???????????????224?;???????????????????????????5600??????????????????????/??

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