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

2????????498

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

4?????????

5????????

?????????10?????14??? (???? ?????)14???,?????,??????????????,??????“??????????????”??

10????11??,?,“??????????????”????“??????????????????”???(??????????????????????????)

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

?,?????????????200??,?????????????????????????????????????????????????????????????;????????????12????“???????????”????,?????

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

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