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

2?????????

3?????

4?????????

5???????

?????9?????2?? (??????)9???2?????,“??”?????????????????,????

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

??????????????????????,??????????,????????????????????????35°???,??3000??,???“?????”?,?“??????????”??????

????,???“?????????????????”“??”“????????”“????”???10??

?????? ????

??,???“??????????????”“??????????????”?????,?????????????????????????????????????,?????????????????????????????20????,???“????????????”????????????50??????,????“?”???????????????????????????????

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

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

? e?,???????????,????????,????????????“???????????????????????”?????e??????????????????????,????“????”?,???????????????????,????????????????????(??)

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