????:1???2020??:???????

2???????

3????????

4?????SPA

5?????????150

????(???????????????):6????17???30????????????????,????????????????,53%???????????

???????,?????3.31??????????????,????????????“????????????”?????????“?????????”?????????“??????”??????????4.8???????????,?????12.8????,??1978??5.05%??????????13.84%??????????4????,????515???????????????1000?????????????,??,2019?????????2000?????????40%????,??????,4.5????????

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