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

2???????

3????????498

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

5???????????

?????????2?10?(?????????????? ?????????????)?“???”????

?,??2?12????????????????????????????????????????0.01%?0.1%?0.1%?0.2%?0.3%,??????9-30????????????

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????????????????????2???????????15??????????????????????????????????0.15%?0.25%?0.4%?0.6%?1%????20-58???

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???,????2??10?????,??????650??????700?????(??)

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