有些地区对海洋底层生物掠夺性捕捞的破坏性底层拖网式捕捞事实上是允许的。
In some, a destructive fishing practice called bottom trawling, which scours life from the ocean floor, is permitted.
不过,“研究人员已经知道,CRF的调控是可以用来缓解与紧张有关的精神疾病,所以这项研究可能涉及到人类底层的生物学,她说。”
However, "researchers already know that CRF regulation is disrupted in stress-related psychiatric disorders, so this research may be relevant to the underlying human biology," she said.
但是,如果食物网底层的所有生物都消失的话,深海的大鱼也会受到影响。
But big fish in deeper waters might also be affected if entire species were lost at the bottom of the food web.
包括来自于“底层”的物理和化学因素,也就是分子间的作用,影响了上层的基因、染色体、细胞、组织和生物体。
They include constraints imposed "from below" by physics and chemistry, that is, from molecular interactions upwards, through genes, chromosomes, cells, tissues and organisms.
他说,100多英里海湾海岸线上的微生物正遭受油污危害,这些微生物处在食物链的最底层。
He explained that right now, along more than 100 miles of the Gulf coastline, the oil is harming tiny organisms at the very base of the food web.
这些化石揭示了生物链的底层被三叠纪后期海洋生物群典型物种所掌控,这不同于之前的世纪里的动物。
The fossils show that the bottom of the food chain was dominated by species typical of later Triassic Marine faunas - such as crustaceans, fishes and bivalves - and different from preceding ones.
他说,如果这些处在食物链底层的微小的无脊椎动物死掉了,将最终危害那些大的海洋生物及整个水产业。
If these tiny invertebrates at the bottom of the food chain die, he said, that ultimately harms bigger sea creatures and the entire fishing industry.
以底栖动物作为底层水环境和底泥环境长期影响的指标,利用生物指数和种群结构的变化对底质进行评价和分析。
The ground base was evaluated and analysed by using biological index and variation of population of benthon which are effected by bottom water and mud environment.
而到了内陆,有些处于底层的地方已经上千年都没有接触阳光了,并且充满了十分可怕的原始的生物。
Inland, some of the lower levels have not seen sunlight in millennia, and are filled with deadly, primitive lifeforms.
它们很少冒险下到丛林的底层,禽蜥不得不呆在离巢穴很近的地方使巢穴免受以蜥禽幼体为食的生物的侵害。
These creatures rarely ventured to lower levels, and had to stay relatively close to their nests to protect them from creatures who would prey on their young.
的垂直分布为表层高于底层,主要受水文和生物因素控制。
The vertical distribution showed higher a(355) values in surface water than in bottom water, which was controlled by hydrological and biological factors.
该系统利用CAN总线技术对仪器底层各个模块进行分布式控制,实现了按生物试验流程的自动控制。
The system adopts CAN bus technology for distributed control of each module at bottom layer of the instrument, and implements automatic control according to the biological experimental procedures.
记忆是认知的底层结构,是心理和生物的界面。
Being the underlying structure of cognition, memory is a psychobiological interface: universal in its biological perspective, but individualistic in its psychological perspective.
土壤表层微生物数量约为底层数量的3倍。
The amount of microorganism in topsoil was about 3 times higher than that in subsurface soil.
土壤表层微生物数量约为底层数量的3倍。
The amount of microorganism in topsoil was about 3 times higher than that in subsurface soil.
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