????:1???2019????:?????vx

2?????????

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5?????????

?6??12?????????? (?????????? ??)????????12????????,??5???,??8.78??,??91%,?55.8????????????,????????50.9%,??15.1???,?????46.7%?

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??4?????????,??«??»,???????????????????????????????????

?????5????????,???????????????????2.2?,?????145%,???????????????????????????????6.8??,???32.4%,?3.1????,????20.4%?

??????????????????,??“3????????,15???”????????????????,?6????????12????????,??2000??,????3.6%?

??????????23??????????,???

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