?? 12??????12????????????,?
????:1?????:???????
2???????
3???????
4????????
5?????95?
??????????12??12??? (???????????? ??????????)?12???????????,??,12????,???
??????,??????12??,????????????,13????????????????5?????????????????????????,????????1?????;?,??;????????????????????????,?????????????
??????,???????,12???13??????????????????3??????,??6?7??,????????3~5?,????????????-5~-3??
??????,????,?,?????????????,???????????,?????;?????,???????????,?????
?????,?????,??,????????????,??????????????????????,13??????,???????????,????;????,??????(?????????) ????????????:?????????