???????? ??????????

????:?????????1680:???????

??,?“???”????????????????:??10??4?????,????20?????130??,?????(??????????????????????????)????????????????????????????????????????1000??????????2000??(???????)???????????,?“????????”?????????????,??????????????????????????(????????????????)????????????????????,????????

???,???????

????????????????????????????,???????????????????,??????50%???10?1?????????????????3????,?92.5%????????????????2???;????????????104.1%?????150?????????????????,????200%????????(?)?,???????70%,?????140%?

???????????,???9????30??????10????4????,????13.75????????????(1187????)???44.3%,??????????????7.54???????????54.2%?????,?????????????????????????9.38??,???46.8%?

?????????????,?;?????????????????10????????????;????????????????????????????????50??????????????????????????????(?)

?????????????????????:????????????????????? ???:???