?? ?????? ???????????
????:1?????????:????v?
2????????100??
3????????
4???????????????
5??????????
???????????????????????????11??????????????????26? (? ?)??26??????,???,?????????????????????,“?????”???????“?”????????????70???(??????,?????????????????????????????????)???????????120?,????80???160??????????????
?20%,?????15%????40%?
??,??5?????????????,???????????????68??????,?“???????”“?????????????”???????????????
?????????,?????,????????1400??/????????/?????????????2000???/????/??
????,?????????????,“???????????????”??????????????“????”?????????????112???224?;?????????????????5600???????????????/???????????????????????
?,??,??????,??,??????????????????(???????????????) ???:???