Such interference effects lie at the heart of many quantum phenomena, and find a natural description in Hilbert's mathematics.

干涉效果是很多量子现象的重点，并在希尔伯特的数学理论中找到了本质的描述。

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The utmost effort of human reason is to reduce the principles productive of natural phenomena to a greater simplicity and to resolve the many particular effects into a few general causes.

人类推理的最终努力是,减少简化自然现象中为数众多的原理,同时将大量的特殊性结果,解析成少数的一般性成因。

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It has harmful effects, causing the sea level to rise and many natural disasters to strike.

全球变暖会带来诸多负面影响，造成海平面上升，带来许多自然灾害。

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In the laboratory, however, many of the effects of natural selection are abolished and flies seem able to accumulate copia with relative impunity.

ECONOMIST: Truly selfish genes

He said there was no guarantee that introducing a specific genetic change would have much impact in a population which was subject to the effects of many other natural selection processes.

BBC: The malaria parasite is spread by mosquitoes