????:1??????????:???????

2?????

3?????????5??

4?????????????

5??????

???6??????????????20???? (??? ????)6????????9??????18?,??????????????????????20??,??????????????????6???19?20??????????,??7????????????????43??538?????70.2??,????4490????????????,????????????????????5180?;???????50.36???,??98.4?(??,??????)?

????????,??????,??????????????

??,??????????????????????,??,?,????????????????????????????,????????????????????,??????;?????????????,????????

???????????????????,???????????????????????,?????,?????????,?????????????????????????????????,?????

????????????????????????????,?,?,??????????????????????,?????????????????

?,??????????????????????,???????????«????????????»??????,600????

???????,???????????6000????????????,????????????????????????????,?????(???????????) ???????????:???????????