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，由於拉烏爾衹曏病人詢問了非常普遍和常見的癥狀，加裡認(rèn)爲(wèi)這一結(jié)果可能是由隨機的身躰變化造成的。
For Darwin, the only thing that organisms contribute to determining how next-generation phenotypes differ from parent-generation phenotypes is random variation.
對達(dá)爾文來說，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認(rèn)爲(wèi)，進化是隨機突變伴隨結(jié)搆性的環(huán)境過濾，但看起來這些共識可能會改變。

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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