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

2?????200??vx????

3?????

4??????

5????????????

???????????????2???20????? (???????? ??)???????????????100?,?2????????20???3??????????????1???

??1925???3??????????12???2?????????????20????????,????????????,?????,???????????

??????,?????????????????,?????,“?”???????????????????

?,?????????????????????100????????????,???,???(??????) ??????????????:?????????????????