?? ?????????????????????????
????:1????????????:????????
2?????
3???95?????
4??????95?98??
5??????????
?????????6???27????????????????????? ?,??,????????????????(ISO/TC 81)??????????????????,???????
??????,??????????????“???”?????????????????(FAO)??????????????,??????????30%~40%???????????????????,???????????????????????,????????????????
ISO/TC 81???,????????,??????????????
????????????????:???