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- UID
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- 293
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- 注册时间
- 2011-7-11
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- 2016-4-18
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Could someone please help with this. I need to understand what exactly this is and how it is calculated and incorporated into the calculations.
I find that people's explanation here are much better than Shwaesers. Thanks in advance. |
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发表于 2011-7-13 16:31
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