在许多动物中，以及在诸如果蝇卵的孵化乃至松鼠跑动的转轮这样的生物活动中，这种变化趋势一直受到广泛的研究。
This drift has been studied extensively in many animals and in biological activities ranging from the hatching of fruit fly eggs to wheel running by squirrels.
放牧能刺激土壤中的微生物活动，帮助水分的获取和碳的分离。
Grazing herds stimulate microbial activity in the soil, helping to capture water and separate carbon.
颗粒氮的分布主要受生物活动及陆源输入共同控制。
The distributions of particulate nitrogen were controlled by both biological activities and continental input.
研究初中生物活动教学具有重要的理论与现实的意义。
The paper briefly introduces the history and development of the theory of activity teaching.
科学家们正在研究如何通过干涉自身微生物活动来提高身体的健康。
Scientists are wondering how to improve health by meddling with your microbes.
褐变和微生物活动是影响微加工蚕豆瓣品质及保鲜效果的主要因素。
Browning and microbe activity are main factors limiting fresh-keeping effect and reducing quality of the mini-processing broad bean seeds.
土壤和水系统中的颗粒物质都与农药的生物活动起反应，并影响后者。
Particulate matter in soils and aquatic systems reacts with and influences the biological activity of pesticides.
土壤碳的这种分布格局与大气降水的淋溶、土壤生物活动等因素有关。
This distribution pattern of soil carbon was related to such factors as the precipitation eluviation and the organism activities in soils.
该算法集成在一个基因表达的基质和生物活动的基因功能的数字特征。
The algorithm integrates the numerical characteristics in a gene expression matrix and the gene functions in the biological activities.
这一发现真正为我们敞开大门，找到影响多种形式生物活动的这些RNAs新家族成员。
This discovery really opens the door to finding new families of these RNAs that influence many forms of biological activity.
在可能成为“新地球”的调查对象中，天文学家搜寻生物活动的迹象，例如检查是不是有氧气。
In surveying potential candidates for "new Earths," astronomers look for traces of biological activity, such as the presence of oxygen.
一些外星生物活动的目击者称神秘的黑衣人曾找到他们，并警告说要对其所见所闻保持缄默。
Several witnesses of alien activity have claimed to have been visited by strange figures, Men in Black, who warned them to keep quiet about what they had seen.
在此基础上探讨了生物活动与滩面 凹坑，沉积物强度非均匀 性以及研究区浮泥之间的关系。
The relationships among biological effects, the formation of depression, strength heterogeneity of sediment and distribution of mud are also discussed.
通过人为控制条件，可促进窖泥微生物活动，加速新窖还原化进程，从而促成“百年老窖”形成。
By the artificial control, the microbial activity and the REDOX process can be accelerated, therefore the "the hundred year cellar" will be formed.
并探讨了森林枯枝落叶层在森林土壤生态系统中对水源涵养、养分供应、促进生物活动强度和土壤发育等方面的功能。
Finally, the function of forest floor on wate conservation, nutrient supply, promoting biological respiratory intensity and soil development are discussed.
在其他星球的大气层发现氧气则表明这个星球上有生物活动，因为氧气是一种非常活跃的气体，所以他需要不停的更新。
Seeing oxygen in another planet's atmosphere would be a giveaway of biological activity because the gas is so reactive that it needs to be continuously renewed.
对仿生物机械之一的仿牛或马等生物活动的步行机械的实用机型进行探讨，并从原理、结构及性能等对该机型的步行机进行研究。
A practical model of walking machinery in imitation of oxen or horses is presented while a study of the walking machinery is made in regard to the principle, structure and performance.
通过径流观测试验及土壤理化分析，论述了覆盖人工生草膜后，土壤流失的减少效果，以及土壤理化性质、土壤微生物活动的变化情况。
On the basis of field soil loss observations and laboratory soil features analysis, effects of multifunction filter on soil conservation and improvement were studied.
它是地球上人们已知的唯一一个天然温泉中的硫磺沉积于冰面的地方。 硫磺在冰面上形成了一个浅黄色的斑点，科学家说这是生物活动的明显标志。
The sulfur leaves a pale yellow stain on the ice, and scientists say it's a clear sign of biological activity.
今天，我们正在见证第六次物种大灭绝，但与其它几次不同的是，目前生物多样性的丧失可以追溯到人类活动。
Today we are witnessing a sixth mass extinction, but unlike the others, the current loss of bio-diversity can be traced to human activity.
因此，生态系统以生物及其活动作为媒介，涉及能量和物质的循环、转化和积累。
Ecosystems thus involve the circulation, transformation, and accumulation of energy and matter through the medium of living things and their activities.
如果没有外界提示信号，这种差异就会积累，生物的日常内部调节活动就继续进行，像与太阳日有关的潮汐活动那样。
Without the external cue, the difference accumulates and so the internally regulated activities of the biological day drift continuously, like the tides, in relation to the solar day.
我们是白天活动的生物，眼睛已经适应了在阳光下的生活。
We are diurnal creatures, with eyes adapted to living in the sun's light.
农业是在大自然中进行的；大自然里的生态系统中各种生物和活动相互影响，而粮食的生产正是处在这样的生态环境中。
Agriculture takes place in nature, among ecosystems of interacting organisms and activity, and crop production takes place within that ecosystem environment.
白天的经济活动空间已经被其他生物大量剥夺了，比如鸟类。
The daytime economy is already heavily exploited by other creatures such as birds.
渔民们知道一年中允许捕捞的大概时间段，但是在某些日子，一个地区可能有一个或多个实地生物学家中止捕鱼活动。
The fishermen know the approximate time of year when they will be allowed to fish, but on any given day, one or more field biologists in a particular area can put a halt to fishing.
生物学家们会待在河边的计数塔中，研究声纳，从飞机上完成观察活动，以及与渔夫交谈。
The biologists sit in streamside counting towers, study sonar, watch from aeroplanes, and talk to fishermen.
中国微生物学家余勇向我们展示了这座宽敞的建筑，里面的课桌空空如也。他在一张配有插图的时间轴上详细描述了中国南极探险活动自上世纪80年代以来的快速增长。
Yong Yu, a Chinese microbiologist, showed off the spacious building, with empty desks under an illustrated timeline detailing the rapid growth of Chinas Antarctic operations since the 1980s.
生物具有的其他隐蔽能力包括夜间活动、地下活动以及透明物态。
Other ways an organism may be cryptic include nocturnality, subterranean lifestyle, and transparency.
生物具有的其他隐蔽能力包括夜间活动、地下活动以及透明物态。
Other ways an organism may be cryptic include nocturnality, subterranean lifestyle, and transparency.
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