??
?????????????????2???21???? (?? ???????)?????,??,?????????????300???????????????????????,???????????,?????????????,????????????
???,???????????“??”????“??”,????,???,????,????????
??,???????,??,????,?????????????2??????????????,????????B???,???????????????????????????????,??
??,??????????,?????????????????“???”,????????????????????????????,???
??????,???“???????????????????????????????????????????????????????”?????????,???????????,?????????????????????
“?????????,????????,???????????????,???????????,??????????,???????”????????,?????????????????,?????????,???30???????????50????,???????15????????????20??????????
??,?????“???????????????????????????”???????????,????????,???????????????????????,???
“????24???”????????????????,???????????,??,????????2????3???????????,????????60??70??,??????
??,???10000?,???“?????????????”??????????,??????????????,????????????
?????,??:“????????????24?????,?????,???????????????????????,??????,????????”(?????????)
?????????
??????????:????? ?????????????????