11????22?,??

??20??????,???????,???????3.5??,????,????31??(??????????)??????????????????????????????????????????????30???????,???

???????????????????????,?????????????“???,?”?????????????????“??”“???”“???”????,?????????????????????????«????????»?????,????????????????????????????????????????

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

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

“?????????”????

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

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

2???????

3?????QT???

4???????app

5???????

11????22?,??

??20??????,???????,???????3.5??,????,????31??(??????????)??????????????????????????????????????????????30???????,???

???????????????????????,?????????????“???,?”?????????????????“??”“???”“???”????,?????????????????????????«????????»?????,????????????????????????????????????????

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

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