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

2???????

3?????vx

4??????

5??????

??7???????25???? (????? ??)7??25??????????,???????????,??

??????,??,?,1971?3?,????????????,????????????,???,??????????????????????????????????????,????????????????,??

?,?????????,???,?,?????????????,2023???1?????????

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