有一句英语看不懂，请来帮忙下……

楼层直达

级别: 新手上路

只看该作者 15楼发表于: 2004-01-28

yeah, I think it is a math question. I think it is probably a speed ratio question

:cool:

级别: 新手上路

只看该作者 16楼发表于: 2004-01-28

maybe refer to acceleration..

级别: 新手上路

只看该作者 17楼发表于: 2004-01-28

那时字面意思吧

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