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

2???????

3???????????

4?????????

5???????

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

?16.4??,???????????????,?????70???????????,?????????????,?????

“???????????,????????,????80??????90??????????,??????,??,???”???????

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

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

???????????1420?????????,????????????43.9???????????????,?????????????????,?????????????????“????”???

??,“???????????,???????,??43????????????????????,???????????”

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