Biological systems have been doing this for billions of years.

生物系统亿万年来都在这样做。

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Looking at the basic biological systems, the world is not doing very well.

地球在基础的生物系统方面的状况并不是很乐观。

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An analogy can be seen in biological systems.

在生物学系统中能发现类似的情况。

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"We also carefully consider the sources of exposure of populations to radiofrequency electromagnetic fields, the nature of these fields as they come from various devices, including wireless phones, and we look carefully at the physical phenomenon by which exposure to such fields may perturb biological systems and lead to cancers."

VOA: special.2011.06.06

most chemical and biological systems aren't that simple precisely because you have to worry about many particles and their statistics and the way they might order or disorder.

大多数化学或者生物系统并不是这么简单,因为你必须担心大量的粒子,和他们的统计特性以及它们有序,和无序的情况。

麻省理工公开课 - 热力学与动力学课程节选

So, this is just one example of how these properties can already, even our understanding just talking about single atoms, can already make an impact in these biological systems.

这只是一个例子，通过它我们可以看到，尽管我们仅仅讲到了单个原子，但我们现在已经可以用它的性质来理解一些生物系统。

麻省理工公开课 - 化学原理课程节选

Prof Palli said that the bed bugs had developed a number of biological systems to avoid death by poison.

BBC: Bed bugs 'dodge insecticides' with molecular tricks

Green, who trained as a nuclear engineer at UC-Berkeley, started out doing fractal math to model ecological risk across huge biological systems such as the rainforest.

FORBES: Yogurt Is Probiotic, Why Not Your Steering Wheel?

This approach combined with the complexity of biological systems restricts current, one-off efforts to modifying only a small set of genes and constructing simple, isolated genetic circuits and metabolic pathways.

FORBES: DARPA Builds First Bio-Engineering Factory