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

2???????150??

3???????

4?????????????

5??????

?????6??????????29??(?????)?????????29????(??????1?):??,??29?????????????????17?,??20.13?,?0.33?;???????10.13???,?0.13??

6?27????????20???29?17?,?1983??50??????(??45.7%),??1015????100??(??????????????23.4%),?415.0????????????117.9??,??110.6???????

29???18?????,??????????????????????,29?20?30?20???????,?????,??????????????????,???????????(?????????????,?????)?(?????????) ??:?????????????????????