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

2????????????

3????????????

4????????????

5????????

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

?????????,????????3?????????????????????????????????????????????????????,???????????37%????????

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

??????,??????????????????????????,??????????????????????????????,?????????????3600?????????2.4??????

??,??????????,??????VR????;??????????????????????,??,??????????????????????

??????????????????,?????????????????,???????????50?????????????????,???,????????????,????,??50%??????????

???????????,???????????????????????????????600?????,???,??????104.55????8?????????154.61????????????????,??73.57?????????

????,??????????????????,??????????;????????????????,????????,??,?????

?????,???????????,???60??????2696.9?????????????????????,??????20.9%;????20.6??,????13.5%;?????????? ?????:?????