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

2???98?

3?????????

4?????

5??????

???????????????10?19??????????????? (? ??????????)?????19?,???,????10???????????19????20??????????3.5?????5.0??????,?????????3.0??4.0??????????,?????2.0???????3.0??????,?1.5??????2.5???

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???????10??,????“???”???????“???????”??,???????????,19????20??22??8???????,???????

???????,?????????????????????????????,????????????,????????????65?????,?73.5%?(???????) ??:???????????