random variation

基本解釋

Additionally, since Raoult only askedabout very general, common symptoms, Garry believes that the resultsmight be within random variation.
此外，由于拉烏爾只向病人詢問(wèn)了非常普遍和常見(jiàn)的癥狀，加里認(rèn)為這一結(jié)果可能是由隨機(jī)的身體變化造成的。
For Darwin, the only thing that organisms contribute to determining how next-generation phenotypes differ from parent-generation phenotypes is random variation.
對(duì)達(dá)爾文來(lái)說(shuō)，造成子代表型和父代表型存在差異的因素中，生物自身所起的唯一作用就是隨機(jī)突變。
The consensus view among neo-Darwinians continues to be that evolution is random variation plus structured environmental filtering, but it seems the consensus may be shifting.
新達(dá)爾文主義的延伸觀點(diǎn)認(rèn)為，進(jìn)化是隨機(jī)突變伴隨結(jié)構(gòu)性的環(huán)境過(guò)濾，但看起來(lái)這些共識(shí)可能會(huì)改變。

Response rates were low, which increased random variation from one period to the next.
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The small effect was just a random variation, not due to the treatment.
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But natural selection requires random variation to generate the various properties.
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