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

2???????vx

3???????

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

5???????

??????10??????????14?????????????? (??????? ?????????)??????(???)??????????14????????????????????,????????2??,??1400???2???,???

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

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

??????,???????????2???????,???????,?????,?????712???,??????????????91???,?688???,??????91.5?????????????,?????

???????????????????,?????,??????????60%,????????????????????,????2#?????????????????100%,????100%,???767.5?????????????2????????“??,????”????,??(?)

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