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

2??????200??

3??????????

4?????3??100???????

5?????????

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

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

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

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