??�????�

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

?????????????(10?5???????????????????)????????,???,??,????????????,?????????????????????,?,????

???

??????????????,???????????????????????10??4????????????,??????20?(???????????)130?,????????????????(??)????????????????????????????????????????????????????,???????????????????????????????????,1000???2000?????????????????(???)???????,???�??�??????????????????,?????????????????????????????????????????????,?????????????????

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

???,????,???????????????,??????50%???????????????????????10??????????1?3??,????92.5%??2????????????,??104.1%??150?,??200%;??,??106%???80%?????(????)?,???????????70%,??????????140%?

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

?????,9????30??10????4?,???13.75?????????????????????(1187????)????44.3%,????????????7.54????54.2%;???????????????????156??,???254%???,???????????9.38??,????????????46.8%?

50??????????

???????????????,????????10?1?,????????????????????????????????????????10?(????????????)????????,????????????????????????????50????????????????

(?????? ?????????? ???) ???????????:?????