????:1???????:????ppt

2??????????

3???????????

4???app??

5???95?98?

????????????1????????????????8??????(?)1?????8???,G65????(?????:???????????????????????????????)???????????,??????,???“??????????????????????????????????????”?????

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

?,???????????????????????????,??????,????????,???8??(???????????????)????,???

??,??????,???,?6????,????????????2??????,???????????????????????,????18?,????6???????;???“??”???????????????,?13?????,????????????????????????????(????????)

?????:?????