Only the individuals of a species are subject to the pressures of natural selection.

只有一个物种的个体感受到自然选择的压力。

youdao

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。

youdao

Its coverage of the subject is impressive and provides a good selection of standard exercises.

他对课题的覆盖度是惊人的，而且他提供了一些精选的经典的习题。

youdao

The explanations, particularly in the thorny field of quantum physics, are excellent, and the selection of subject matter skilfully winnows a vast field.

ECONOMIST: History of science: Time's arrow | The

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