????????1???????????20??????????? ???????????????,??????,??6??1000??????????;??5???????????10000????????????,??;?12????50000????,????????????????“?????????”?

?????????,??????????????????????????????????????????????????????(????????????????????????)???30??????????,???,??????????????????????????????,????????????????

???,???(?????????????????????????????????),??????????????????,???(???????),?????????????

?????????,??????,??????,??????,?????????????????????????????,???????????????? ???????????????:????????????

??

??:???????????,??????????,??????????????