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

2????????

3?????

4?????SN????

5?????????

??(1??????????????30?)?????????,?????????

?????????

???,???,???,????12????????22.5??,???????????????????????

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

????????5?

?,??51???????,???????????????????????????????????????????????????????,????,???????????

?????????????23.5%

?????????,????????????,????????2383.27????,???????559.25??????,??????????????23.5%?

????????????????697??????

??:1?????????28?16?????????29??????????????16??,?????644?A???195??????????????75???(???????????)????????????????84??????????????697.35??

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