????:1????????:??500???????

2?????QQ?

3???????

4?????????

5?????vx

??10?????????8???????????????????????????? (????????????? ???? ?????????)???????8??,???????????(10???????????1???????????????????7?),????????????73.3?,??47%?

??,????????????????????????,???????,?24???,??40%?

?????,10???1?10??7?,??60.8???,???????????20%;??????20.9????,??????????20.8%?

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

?,??,??????????7????,???????????????????1.5???,?22%?????,??,???5.9?????????????,???????????70%,???????????????????????????????????????,?????????25%,????????????????

??,????,?????,?????????????????12???,????5.6????,?2019????????????25.1%?(?????????????)

???:?????