早期的理论生物学家阿尔弗雷德·洛特卡[4]于1925年写道:“进化的不只是生物或物种,而是物种加环境的整个系统。”
Alfred Lotka, an early theoretical biologist, wrote in 1925, "It is not so much the organism or the species that evolves, but the entire system, species plus environment."
从理论上讲,把非洲猎豹引进美国西部,可以让叉角羚重新回到生物学家所说的自然进化轨道上。
Importing African cheetahs to the western United States could, in theory, put the pronghorn back onto its natural evolutionary trajectory according to these biologists.
事实上,恶魔理论并不能很好地解释疾病的问题,而微生物理论却能将疾病问题分析得很透彻。
The fact of the matter is that demon theory doesn't do a very good job of explaining the disease, while germ theory does do a good job.
这一点很重要,因为理论表明,当目标鱼种的生物量为其原始水平的50%左右时,渔场才能达到可收获的最大可持续产量。
That matters because theory suggests that the maximum sustainable yield that can be cropped from a fishery comes when the biomass of a target species is about 50% of its original levels.
社会生物学是生物学方法的一个分支;据社会生物学理论表明,攻击性是与生俱来的,甚至是人类所希望得到的。
An offshoot of the biological approach called sociobiology suggests that aggression is natural and even desirable for people.
长期以来,生物学家一直在争论鸟类的产蛋在生物学上是否具有很高的成本,有的理论认为产蛋对能量或营养的要求很高。
Biologists have long debated about whether egg production in birds is biologically highly costly, some theorizing that egg production is energetically or nutritionally demanding.
这项研究的结果将为进一步开发天花粉作为生物除草剂和杀虫剂提供理论依据。
The results of this study will provide a theoretical basis for further developing trichothecenes as biological herbicides and insecticides.
加州大学戴维斯分校这项新的研究是由美国国家科学基金会先进生物理论计划资助的。
The new UC Davis study was supported by the Advancing Theory in Biology program at the U.S. National Science Foundation.
极少有生物学家愿意看到达尔文的理论被归到这一类因错而贵的学说之中,但如果这是它应有的位置,那么终有一天将由一代勇敢的生物学家来完成这一任务。
Few biologists want to see Darwin's theory filed in that category, but if that is its rightful place, then you can be sure that's exactly where one bold generation of biologists will file it-someday.
例如,把化石记录,DNA证据和生物地理学在进化理论的基础上联系起来。
For example, fossil records, DNA evidence and biogeography are connected under the theory of evolution.
之后三里岛核事故,中世纪长子继承权的起源和生物进化理论都被用来清楚明白地阐明金融风险的不同方面。
The Three Mile Island nuclear disaster, the medieval origins of primogeniture and evolutionary biology are all enlisted to shed light on different aspects of financial risk.
我们的心理地形决定了什么信息能留在我们大脑里同时什么需要剔除,这个学说和一个已经被广为接受的生物理论很近似:达尔文的自然选择理论。
The idea that our mental terrain decides what information survives in our heads and what gets killed off finds a parallel with a venerable biological theory: Darwin's theory of natural selection.
该理论的可信性主要在于生物学视自然选择为正统学说。
Its credibility depends largely on the reflected glamour of natural selection which biology proper is said to legitimise.
经典理论一直认为生物生产将会在灾难性环境出现后停止。
"The literature was always saying in that biological production would cease in a post-catastrophic environment, " Jones noted.
论文的作者希望进一步研究并揭示所谓的太阳光促使维生素合成的生物理论。
The authors of the study agreed that the issue requires further study to shed light on the biological basis of the so-called sunshine vitamin.
Gumert说,其基本前提叫做生物市场理论,满足基本的供求关系原则。
The basic premise, says Gumert, is called biological market theory, which follows the elementary principles of supply versus demand.
理论技术包括播撒雨种降雨、利用生物可降解浮油控制水汽蒸发和轨道加热。
Theoretical techniques include seeding to cause rain, controlling evaporation with a biodegradeable oil slick and heating from orbit. Credit: David Fierstein
在过去的四十年内,科学文献充斥着女孩具有优越语言能力的研究,但至今仍没有生物理论的支持。
Scientific literature has been littered with studies over the past 40 years documenting the superior language skills of girls, but the biological reason why has remained a mystery until now.
Kelty指出,现在正试图建立开源生物系统,通过这个项目来集合BIOS和经典的生物学理论。
Kelty points out that there's now an attempt to build open source biological systems, through projects like BiOS and the Registry of Standard biological Parts.
这导致了病源体微生物治病理论的形成,并最终导致了抗生素治疗人类传染性疾病的应用。
This led to the germ theory of disease and, ultimately, to the development of antibiotics to treat infectious illnesses in people.
所以,我们相信微生物理论合理,而恶魔理论则不合理。
这就解释了为什么热带地区的生物总是聚集在一起,密度很大,但是这一理论并不能站住脚。
This could explain why large numbers of species are packed together in the tropics, but it doesn't seem to hold consistently.
当这个理论第一次在生物圈杂志上提出时,在西方学术界引起了一阵轰动,很多人认为这个理论很勉强。
The theory caused a stir in Western academia last year when it was put forward in the journal Biosphere and is considered far-fetched by many.
信号处理、成像、医学成像、地质学、生物信息学、编码理论、信息论、控制系统……它几乎已经扩散到每一个工程学科与领域。
Signal processing, imaging, medical imaging, geology, bioinformatics, coding theory, information theory, control systems... It has been disseminated to almost every engineering field.
事实上,恶魔理论并不能很好地解释疾病的问题,而微生物理论却能将问题分析得很透彻。
The fact of the matter is, demon theory doesn't do a very good job of explaining disease, while germ theory does do a good job.
刘易斯的看法是,生物学基础理论如今不大可能会出现新的突破:虽然生物学中还有很多我们不知道的东西,但是生物学的基本架构不会改变。
Lewis's view is that fundamental biology is now unlikely to throw up any new surprises: there is much we don't know, but the fundamental architecture won't change.
其中一个理论说,大细胞生物、很可能还有多细胞生物死后沉入海底所散发的气体导致了这个冰河期的出现。
One theory is that the glaciation was triggered by the evolution of large cells, and possibly also multicellular organisms, that sank to the seabed after dying.
而且,主张维生素d和自闭症有关联的人士认为这个理论在生物学上是有道理的。
Still, proponents of the vitamin d-autism link say there is biological plausibility to their theory.
而且,主张维生素d和自闭症有关联的人士认为这个理论在生物学上是有道理的。
Still, proponents of the vitamin d-autism link say there is biological plausibility to their theory.
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