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

2???????

3???9598?

4????????

5?????????

2???10????????????????,????????????????,???????????????????(????)????????,8???,????,????????????,????????????

??,?????????????????????,???3???????????????????,??????700??????????????????????????????,????????????98.2%?

?????????(????)???8????????,???70???52?????????,????20???????????

?????,???????2?????20???1??????????15?,???????????????????????????????500???,??????????(??????? ?)

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