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

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

3???????

4????????

5???????

????6???????9? ????,??2??????,??????????????????“????”??6??12???

??????????????:4????????3??,??“???”???,??????“???????”?? ??

?4?????3??,??“????????????????????”??????????????????,??????????????,??,??“??????????????”???????????????????????????,??“???????”?????????????????,“??????????????”?,???????????????????????,“??”???,???,???????????,????????????????,“???”?,??????????????????????????????,?6??12???????

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