????:1??????????:????100?????

2???????

3?????qq?

4????????????

5???????

??2?????????15???? ??????,?15???????????,???6.4?????,???????????????

?????,?????15?????????????4???48?,?????-?????????????(??49.92????????????,??88.28????????????)???????????????????6.4???,??

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

????????????????????,????,??????????????? ??????????:???????????????????