?? ?????“??”?????? ??
????:1?????????:????????
2????????py
3??????????
4????????????
5???????
???9?6???????????????? (????? ?)???“????”????????,?5?(??“???????”)??,?6??12?????????????????????40????
?????“????????????????”??,?????? ??? ?? ??????????????,11??30???????12??,??14???;??12????,???????????????????????,“??????????????”??????9????????23???????,?????,????????,???
?,????13.04??,??0.07%,??17444.3??????????????????????????????849.52???;??????????28.44???,??6105.54????,?0.46%;??4.96??,???????3487.8??,?????0.14%?
????????????????????,?????,???????????????
??,??(?????)
??????????????????????????:??