?? ????????????:?42.9??? ???4.32????
????:1????????:???????
2???????
3?????150??
4???????????
5???????????
9????????30????,???“????”?????
??,?????????,??????????????????????,??????????????????????,????????“????”“?? ??”??????????,????,??????????????????“??”?????5A?????????????,????????????????????????????????????????
????????????????,??????,??42.9????????????????????4.32?,??16.8%?????17.1%,?????2019????????????????????????,?????,???,??????????????????,?????????????????(????? ?? ??)
???:????