生物材料为改善其作为植入体的力学性能需要生物活性纤维增强。
Improving mechanics performance of biomaterials as implants requires bioactive fiber for reinforcing composition.
这也就意味着，要想保证一切正常运转，我们最终制造出来的环境越机械化，可能越需要生物化。
That is, the more mechanical we make our fabricated environment, the more biological it will eventually have to be if it is to work at all.
洞壁上可以看到好几种岩层，用这个教地理生动有趣。而且我们不需要生物课本，我们的山洞学校里每天都能看到蝙蝠、蜥蜴。
We had the best choir in the area and there were also several rock strata visible on the walls which made teaching geology far more interesting.
事实上，科学家已经掌握了评估生物控制蕨类植物的影响所需要的大量信息，但是这些信息在许多个人、组织和政府机构中传播开来。
In fact, scientists already have much of the information needed to assess the impact of biological control of bracken, but it is spread among many individuals, organizations, and government bodies.
除了医生，我们需要更多的社会学家、生物学家、城市规划者和专业律师。
In addition to the doctors, we're going to need more sociologists, biologists, urban planners and specialized lawyers.
吉本斯解释：“这就像一个不需要淀粉或者纤维素就能生产出生物燃料分子的小型工厂。”
"They are like little factories that spit out biofuel molecules without the need for starch or cellulose, " explains Gibbons.
我们已经阅读了足够多的背景资料，但我认为我们需要组织好我们在演讲期间将要谈论的关于生物燃料的内容，以及顺序。
We've done enough background reading, but I think we need to organise exactly what we're going to say about biofuels during the presentation, and the order.
人们已经开始努力确定使用昆虫作为生物控制手段的可行性，但仍认为有效的生物控制手段还需要数年时间。
Work has begun to determine the feasibility of using insects as biological controls, but effective biological controls are considered years away.
生物学家研究野生猴子时，有时需要某只猴子的遗传物质DNA来确定其亲子关系。
Biologists studying wild monkeys sometimes need the genetic material DNA from a particular monkey to determine the animal's parentage.
你看，原来某些微生物是化学合成的——它们不需要阳光，因为它们从化学反应中获取能量。
You see, it turns out that certain microorganisms are chemosynthetic—they don't need sunlight because they take their energy from chemical reactions.
这份来自生物多样性和生态系统服务政府间科学政策平台（IPBES）的报告明确指出了什么是利害攸关的以及什么需要改变。
The report from the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) is clear on what's at stake and what needs to change.
地球上所有的生物都需要与其他生物共存。
All living things on the earth need other living things to live with.
每种生物都需要繁殖。
我们需要通过TLC 生物自显影技术评估其抗氧化能力。
We need to evaluate its antioxidant capacity by TLC-bioautography.
如果两种形式都需要，则该生物是严格的混合营养型。
If both forms are required, the organisms are mixotrophic sensu stricto.
只需要吸入10-50个微生物就能引起伤寒嗜热症。
Only 10-50 organisms need be inhaled to cause typhoidal tularemia.
需要对生物医学和干细胞研究进行投入，使我们在预防和治疗方面处于优势地位；
We need to invest in biomedical research and stem cell research, so that we’re at the leading edge of prevention and treatment.
即便你并不喜欢自己的同事，但因为人类是社会性的生物，需要定期与人进行交流。
Even if you don't necessarily like your colleagues, humans are social creatures and need people to talk with on a regular basis.
我们迫切地需要新的生物技术来治疗艾滋病、提供洁净的能源等等。
We urgently need new biotechnologies, a cure for AIDS and a cleaner energy infrastructure, to name just a few.
他告诉BBC新闻说，“浮游生物需要太阳光线和来自下层的营养，但是越来越明显的海水分层抑制了其营养的来源。”
"The plants need sunlight from above and nutrients from below; and as it becomes more stratified, that limits the availability of nutrients," he told BBC News.
要具体地指出其错误之处固然需要用到生物医学的专业知识，但是靠生活常识、常理并不难觉察其荒唐。
Although it takes specialist knowledge in biological science and medicine to specifically refute his fallacies the ridiculousness of these statements should not escape anyone with some common sense.
但食物到不了需要它的地方，而生物燃料的政策是很难改变(见文章)。
But the food is not where it needs to be, and biofuel policy is hard to shift (see article).
社会科学的中间立场近来被称为“社会生物学”，它认为我们至少学习了一些以生物需要和进化为基础的特有的文化行为。
The social science middle-ground, lately known as sociobiology, claims that we learn at least some specific cultural behaviors on the basis of biological need and evolution.
但是它们也导致了一些紧迫的问题，需要在生物燃料在全球普及、特别是在非洲普及之前解决。
But they also raise pressing issues that need addressing before biofuels become widespread around the world, and in Africa in particular.
随着这一技术达到商品化水平，精炼这些生物燃料需要到农村，并且为美国人提供很好的工作。
And as this technology reaches commercialization levels, refineries producing these biofuels will need to dot the countryside, providing good paying jobs for Americans.
我们需要同时瞄准生物交流信号、细胞膜形成和一些经典的生物进程，例如细菌细胞壁的形成。
We need to target signalling, biofilm formation and classical biological processes like bacteria cell wall formation, all at once.
由于较大的浮游生物需要更多的养分，为了补充耗尽的养分，它们对于水体中的垂直混合有着更高的需求。
Because larger plankton require more nutrients, they have a greater need for the vertical mixing of the water column that restocks depleted nutrients.
由于较大的浮游生物需要更多的养分，为了补充耗尽的养分，它们对于水体中的垂直混合有着更高的需求。
Because larger plankton require more nutrients, they have a greater need for the vertical mixing of the water column that restocks depleted nutrients.
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