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

??

2???7?,?????A????????????,?????

??????????????,??????????????????2??40???241??8?????????????A????

???????????,?????????????????1500???????????????????????????????,???????????????2?????????????????????16???538?????????????“?????,?????,????,?????”?????,??????????????

?????????,????????????????,???????500????????1000???

???,??????????????????500?;?????????????1000???;???????1500?????

(???? ??? ? ????)

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

?????????

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

????????