????:1???????:?????

2???????

3?????????

4??????

5????????95?

?????????7?????????????????????19??? (??????????? ??????)?????????19?????,???????,??40????

?????????????????7???????????????19??????????,????51????????????,?????????,???2.2?,??

??(Alf Barrios)????????,????????,???

?????????,40??????????????????,???????????????????4.5????????????????????????,??????????????2.3???(??????????????????)?

?1987??,???????,???????????????????????????????????????

???,???????2025??????????????,??????2500?????????????

???????????(Simon Trott)??,??????????????????????,???????????????????????????????????,???“?????????????,??????”(??) ?????????:??????????????????