These plasmids occur naturally in nature; they were discovered in micro-organisms and they also confer some biological properties onto micro-organisms.

这些质粒在自然界中自然存在；它们是在微生物中发现的，它们也赋予了微生物一些生物学特性。

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The biological properties were as follows: (1) Well developed roots.

其主要的生物学特性是：（1）根系发达。

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The Biological properties of titanium implant depend on its surface oxide film.

钛植入体的生物学性能取决于其表面氧化膜的表征。

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Again, these plasmids occur naturally in nature; they were discovered particularly in micro-organisms have plasmids that confer biological properties onto them.

此外,质粒存在于自然界中,质粒是在微生物中发现的,它们也赋予了微生物一些生物学特性

耶鲁公开课 - 生物医学工程探索课程节选

But you actually need to keep a few caveats in mind as you do this, which is the fact that trends predict a lot of chemical properties, but they can't predict everything in terms of biological properties.

不过在你使用的过程中,需要牢记一些注意事项,那就是元素周期律可以预言很多化学性质，但是不能预言一切性质,比如生物学性质。

麻省理工公开课 - 化学原理课程节选

This is one of the biological properties, the naturally occurring properties of plasmids, is that they exist in microbial populations and they confer on them resistance from toxins that would ordinarily kill them.

这就是这类生物学特性之一,它是质粒所具有的自然特性,这些质粒存在于微生物群体中,并赋予微生物抗性,使它们免于被毒素杀死

耶鲁公开课 - 生物医学工程探索课程节选

Specifically, unexpected physical, biological, and chemical properties emerge that are not present in the same materials at larger scales.

WHITEHOUSE: Office of Science and Technology Policy Blog

Down at these near-atomic sizes, materials exhibit unique properties that dramatically alter their physical, chemical or biological behaviour.

ECONOMIST: The dulling of nanotech��s silver lining