????????“??????”????

??

????????2???????????21????????? (?? ?????????????????)???????,???????????,???????????????21?????????????????????,????????,????,????????????,?????“???????”???????????????????,??

??????????“???????????”?,?????????????????????(?????????)

??2?????????????????????H??????,???“??”???????“????????????”??????????,???????????????????????,??????????????????????????,??????????“?????????????????”????????????????????????????,???????????????????????

???????,????????????,???“??”????,?????????????????????????????????????,??1??????,??360°????????????,???????????????????,??????,??

??,“???”????????????????,???????????,???????????,??????????(????)

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

?????????

?????????????“??????”?????????

????????