positive evolution翻译

positive evolution的基本解释

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积极进化：指生物或事物在演化过程中向更好的方向发展，取得积极的进步。

例句

It is likely that the genes involved, which include genes that encode neuronal ion channels, have been subject to a positive selection pressure leading to an accelerated evolution of genetic changes.与之其进化相关的基因，包括编码的神经离子通道的基因，可能受到了积极的选择压力，从而加速了基因变化的转变。
This feature decides the granitic rocks have positive buoyancy and the long history records of the earth's evolution.这种性质决定了花岗质岩石具有正的浮力，记录了很长的地球演化历史。
Thus, influences of vegetation on soil erosion and geomorphic evolution can be positive or negative.因此，植被对土壤侵蚀和地貌演变，既有正的作用，也有负的作用。
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