?? ?????? ??????????????
![](https://image.chezhanri.com/2019/1120/548ea10fcb43f5e8a29d695b18177749.jpg)
????:1????????????????:????????
2??????????
3?????????
4??????????
5??????
??????8??????????????????9???? (???? ????)??????????,?????????????????9?,??
????,7????15????????,?????????????,?10?????????????2??????2?????
7?????????????30???????????,???,??????????????????6??3??????????4??????????,??????8?????????10??
?????????,??????????????????,????“??????????????????”(Copernicus EMS),??,????????????????
?,?????????????,????????????????????10???????28???????4??????,????????????????????????????????????????????540????????????,????????????
????????,???????????????,?????????????????????????,??,?????????????,????,???????(?????????????) ???:??