????:1????????:????90????????

2????????????

3?????????

4?????v×

5??????????

??8???5?? (???????????????? ?????????)????8????????????????????5??????,??“??”????????????????????????,??????

???????????(COBRA)??“????A????????????????????”??????,???,???,????,???????????????????“?”???????????

????,??13????????,??????????????????????????????????????,?????????????????????????????????,??????

??7?29????????????????17??,?????????3?????????6??????????????9????????,????????8?????????????????????,???,???????????????,???????????????????

????????????????????????????,????????????????????,???“???”?????????????????????420??,?,??(????) ?????:??????????