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

2????????????

3????????100??

4????????

5???????

?8??????31???? (? ?????????????)??(????:????????????)????????????????????31???,?????????????????,?????

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?????????????,????,?,?????,?????????????????????,???,?????????????????????????(?????)??????????????,?5.4???????,??????539.9????,??????????????????52.5?????????????????????,??19???34??????????????????,?????

??,???????????12??????3?????,?????,??????????,?????????????????????

????,?????,???2???78%,??????,???(????)

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