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

2???????

3??????

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

5?????QT??

??2????10????????????? (??????? ???)“??,???????????,???????”?????

2????6????????????10?,“?????”???????????????,????????????,????

2?????????6????????????????10?,“???????????????????????????????????”???????????????,????????(?????????????)

?????????????????????????????

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

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

??,?????????????????,?????????????,?????????????????????????????????????????,?,?????(??)

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