?? ???????204????? ???????????
????:1??????:????
2??????????
3?????v
4???????
5????????
?????????6?????7?????(? ???????????????)?,?????????????????,??????????204????????,???????????
???????6?????,????,???????????????,??????????????????214????,???????????,?????????,?????????1936???????????
???,????????,????,???????????,???????????????,??,????????,????????????????????????????????
??????,???????????????????????,?????????????,???????????,???4??????????????,?????1.74?????????????????????????
????????,???????????????6??8?,??????,????,???????????,????,?????????????(??) ??????:?????????????????????????????????