???????????,??????????,???80???????,???????,?????????????,????????????????????,????????????,??,??,??????????????????????50%???

01

??

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

02

????

????????????????,?????????????????,???????????,??????????????,???????????????????,???????????????????0.5?????????????????????

????app????? ??????????,?????,???????,??????????????????????,?????????????????????,???????????????????????,?????????????????????????,????,????????????????

????app????? ?????????,??????????????,???????????????

????app????? ???????????,????????????????

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

03

????????

??:

1??????:???????????????????????????????????????,??????????,?????????,???????????7??

????app????? 2?????:???????

3?????:???????????,????????????

??:

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

2?????:?????????????,?????????,???????????????

3?????:??????????,?????????????????,???????????

4?????:???UV??????????,????????????,??UV?????????????

??:

????????,3c??????????????

04

????

1.?????

????app????? ??????,????????,???????;???????;?????????;??????????;???????

????:???????;??????;??????;???????;??????

2.????????

? ?????????????????????????,???;??????,??????,??????????,??????????

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

? ??????,??????,??????????????????????????????????,????????,???????,???????(??????????????,???????????3:1)

3.????

??????;????????;???????????????

????:?????????????;??????;????;???????,??????

4.????

??????;????;????????;???????;???????;

????app????? ??????????,???????

????app????? ????:?????????;??????????????;????????;?????????;?????????

5.?????

???????;?????????;????????;??????,????????;??????;??????????????????;??????

????:??????????;??????;???????;?????;???????????;??????????;??????