????:1??????????:??QT?????

2?????????

3?????????

4????????

5?????95?98?

?????????10???????14????? (?? ???)??14??,??,?????????

?????????????????,?????,???,?????????????????,??????????,?????????,???

??????????????,9?????????????????1.6%,????????6?????????????????,???

?????????????????????,9??????????,?????????????????????????????,???????,????????????????????????????,??????,??9??????????????????????,9????

?????????????????????,???????????????????,???????800???????????????,69%??(????????????????) ?????:?????