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

2?????????

3???????app????

4???????

5????????

?????11???????????27?????????? (?? ????????)??27??????????,?5000?,???

????????(?? ??????????????)

???????????????????,??3.5???????????,??????????1???????????????????20??????50??????????????????,?????????????????,1965?????????????????????

2021?????,???????????????????????,????????????????,????80?????????????,????50???????????????,???????????????????????????H4??????????????????????

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

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

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