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

2???????????

3?????

4?51pc·mc??????

5???????

?????????????????????6????14????????? (????? ?????)14?????????????????,??“?”?,???“??????????”??????????,???

6????????????????????14?????????,??“?”???????? ??

“????????????,????????????,??????????,???????????”??????????????

???,???????????????????????5000?,?????????120????????????????????,???5?????????5???????????,??????????????????????????????????????50?????????????????????600??????

?,????,???“??+??????????????”??????,????

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

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