The viruses appear to harm the bees' ability to use their genetic material to produce proteins needed to fight infections.
VOA: special.2009.09.15
Because you trust biomedical engineers to have done a good job in designing these things and we'll talk about how biomaterials are designed and tested, and what makes a material, the properties of a material that you could use as a contact lens, what are the properties that it needs to have.
因为你深信生物医学工程师们,在设计这些材料时,已经做了充分的工作,我们会讨论如何设计和测试这些生物材料,什么材质具有,能够用来,做成隐形眼镜的材料的属性,它们需要具备的特性究竟是什么
HIV is a member of the family of viruses called retroviruses, and retroviruses all use RNA as their genetic material.
IV是一种逆转录病毒,所有逆转录病毒均以RNA作为遗传物质
At the time, she was searching for a way to make a material strong enough to use on automobile tires.
VOA: special.2010.02.09
You know that some viruses use RNA as their genetic material and so their lifecycle is going to be slightly different than this.
有些病毒利用RNA作为遗传物质,而且正因如此,它们的生命周期,会与前者有所不同
These devices use rope-like material to carry movement from the shoulder to the prosthetic arm.
VOA: special.2009.03.10
So,the planners asked, why not re-use the material to rebuild Poplar Island?
VOA: special.2009.10.06
Others use inorganic material such as shredded rubber from tires.
VOA: special.2009.06.30
So,yes,there is a threat particularly of the use of radioactive material, although we have no specific evidence indicating any capability at this time."
VOA: standard.2009.05.01
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