?? “????????????????”??
????:1??????????:?????qq????
2?????vx
3?????????
4????????
5????????????
???????????????10?????????14????? (??????????????? ????????????)?????????14??,??“????????”???????????????????,??,????????????????,????????????
??“??????????”8??15??????????,??,?????????????????(?)??,??????????122??,??2.7?????????,???112?????????????????????????,??????????????????2.54???
????????????“??????????????????”????,??,??????,?“?????????????????????????”??????????????????,????“?”,????????????????,??,????????????,?????????????????????,?????????????,????????????????
?????“???????????,??????????”???????,??,??????8????????????????,????????,????????,????????????
?????,???????????“??”???????????????,????“????”??,??????,??,????????????????????????“??”?????,??,??????,???????(??????) ??????????????????????????????????:???????????