there're people did eat and not eat.

there're people did eat and not eat.

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送交者: whatistruth 于 2013-06-18, 23:12:53:

回答: need preliminary data for an experimental design. 由 cornbug 于 2013-06-18, 23:05:56:

That is why there is a need of large population - cornbug (114 bytes) 2013-06-18, 23:17:12 (720499)
- 你的假设是中毒人口已经占绝大多数了？那这个不是现在讨论 - whatistruth (92 bytes) 2013-06-18, 23:46:04 (720502)