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

2????95?

3?????vx

4??????

5??????

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

???,?????????????????,????????,?????????????????????,???????,??????????,????????????????

???,9??????????????????1.6%,?6??????,???

????????????????,9????????????,??????????????????????????,?,??????????,?????????????????,??????9?????????????????????,9??????????????????????

???,????????,??????????????800????,69%???????????????????????(???????) ??????:????????????????