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

????:?????vx:???????????????

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

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??????????????????????,?????????????????,????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????????????????????????????????????????????????????????????????????(???????)

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