??
?2??????????,????????????????????????????
???2????????????1?????????????????,???????????????,??1.1????????????????????????????,???????,??????????????,??????
?????????????,??????????2??????1??????2?????????????????????????????
2?1???????????????????,???????,???
2???????????,??,???????,?????????
2?????????10????????????5?????,????,????
?,??????,??,????
??????????2??????????15?,?-4.8??????,2???????????????,2??
???????:???????????
?????@??????? ??????????????????