?? ??? ?????1:2????????????
![](http://n.sinaimg.cn/news/1_img/upload/72f96829/750/w930h620/20181010/3z7B-hkrzvkw4448304.jpg)
????:1??????????:??????
2????????????
3????????
4????????????
5?????vx
?2?????10? (?)???10??????A?????????,??,????,?????1:2?????????
![](http://i2.chinanews.com.cn/simg/cmshd/2025/02/10/16850e8ba79c4b8d83b9c844361acfc0.jpg)
????,??????????7?????4,??1/4??????????????,???9???3,?????1/4?????????
??????:???????????