?????8??????19?? ????????????????????,?8?19???????????????????18????????????:

????,8?????19???????20??????????20????20????,????????????????????????????????????????????????????????????????????????????????????????,????????,?????????????????????(100~200?????)???????(?30~60????,??80?),???????????????????????????

??????:

1.??;

2.??????????,????;

3.???????????,??????????????????,?????????;

4.????????????????????????,?????????????? ??????:????????????? “????????”_????

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

????:1?????????:???app

2??????????????

3?????????

4????????

5?????

?????8??????19?? ????????????????????,?8?19???????????????????18????????????:

????,8?????19???????20??????????20????20????,????????????????????????????????????????????????????????????????????????????????????????,????????,?????????????????????(100~200?????)???????(?30~60????,??80?),???????????????????????????

??????:

1.??;

2.??????????,????;

3.???????????,??????????????????,?????????;

4.????????????????????????,?????????????? ??????:?????????????