???????1?31?????????????????? (? ????????)?????1??30??????????,?????????????,??????????????,???

?????1?30??17??????,1??????????????30????????20?31?7?????????,????????????????,??,??????????????????1???2???????????????0.6????,???:?3.6???????3.1??????????2.7??

????????????????,??????????,?????1?31?????11??28??????????,????????????????????????,???????????,???;???????(?)???;??(??)????;??

???1??????????????31??????????????????????????????????,?????????????????

??????,1?31??,??????,????,?????????????????????,????????3????????4?,??5??????????????6?????????????????????:?4???6?;??????1?????3??(?) ????:???

??

??:???????????,??????????,??????????????