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

2?????????

3?400?4?????qq???

4?????????

5???qq???

???6??????27????????????? ????????????,????????????????,??????????????(ISO/TC 81)?????????????????????,???????????

???????????????,??????“?????????”????(FAO)??,?30%~40%?????????????????????,???????????????????????????????,??????????????????

ISO/TC 81??,??,??????????

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