Can divergence occur if no physical barriers are in place to separate individuals who continue to live and reproduce in the same habitat?
如果没有物理屏障将继续在同一栖息地生活和繁殖的个体隔离开来,分化是否会出现?
Eventually the subpopulations become so genetically distinct that they cannot interbreed even if the physical barriers between them were removed.
最终,这些亚种群在基因上变得如此不同,以至于即使消除了它们之间的物理障碍,它们也无法杂交。
Used primarily for hysteria amnesia, multiple personalities, and various physical barriers.
主要运用于癔症性遗忘,多重人格和各种躯体障碍。
The researchers think that blinking sets up tiny physical barriers that help to shut off the outside world.
研究者认为眨眼能使当事人建立起一种细微的生理屏障,使其与外部世界隔绝。
Do physical barriers and deterrents for cargo handling and storage facilities that guard against unauthorized access?
有障碍物或屏障可防止非法进入货物的处理和存放区域?
That's all they had for transportation, and there were no ocean-crossing ships, so there were real physical barriers to going to the whole world.
这是他们仅有的交通工具,要飘洋过海、走遍全世界,确实有很多天然的障碍。
It also helps that the mobile communications and satellite technologies used by the project are able to surmount physical barriers such as geographic location.
不仅如此,该项目采用的移动通讯和卫星技术还能克服环境上的阻碍,如地理位置的不同。
Obese children suffer a number of physical and perceived physical barriers to living an active lifestyle, which can perpetuate a cycle of inactivity and poor health.
过度肥胖的儿童对于拥有一种积极的生活方式有大量身体和身体感知障碍,这样造成长期保持一种不积极、不健康的生活方式。
When we think of hand safety, we must first ask ourselves what primary level of protection is in place, such as plans, procedures, physical barriers, and work practices.
一想到手的安全,首先要自问一级防护措施实施的如何,如:计划、程序、围栏、操作步骤等。
Prevention and treatment of neurasthenia need to understand their psychological and physiological disorders, neurasthenia, mental you know how much physical barriers it?
防治神经衰弱需了解其心理生理障碍,你对神经衰弱的心理生理障碍了解多少了呢?
The first is that while the basic unit of computing power might stop advancing due to physical barriers, these units could be deployed in parallel to do more useful work.
第一个论点是,虽然计算能力的基本单位即电子可能会因物理障碍而停止前进,但这些单位可以并行部署,以便处理更多的有用工作。
"By removing the idea of a wall or a fence, we remove the negative social, cultural and physical connotations associated with visual and physical barriers, " the studio added.
工作室补充说:“通过移除围墙或篱笆这个想法,我们也移除了与视觉和物理屏障有关的负面的社会、文化和物质之间的联系”。
Meanwhile, multiple physical barriers shall be set up to ensure that multiple lines of defense are in place to prevent and control release of radioactive substances into the environment.
同时,设置多道实体屏障,确保层层设防,防止和控制放射性物质释入环境。
Physical and ideological barriers had come down in Eastern Europe.
物质和意识形态上的障碍在东欧都已减少。
They may try to distance themselves both from the event in question and even others who probe the event, with subtle moves away and creation of physical and cognitive barriers.
他们也可能试图与被询问的事件和事件调查人保持距离,比如不露痕迹地挪开一些或者制造一些有形的或无形的障碍。
There were two women in the room. I can't remember how we got beyond those evident barriers — the social and the physical — but I remained with him for four hours.
房间里还有两位女士,我无法记起我们是如何克服那些显而易见的障碍——社交上和身体上的——但我和他一起度过了4个小时。
There were two women in the room. I can't remember how we got beyond those evident barriers - the social and the physical - but I remained with him for four hours.
房间里还有两位女士,我无法记起我们是如何克服那些显而易见的障碍——社交上和身体上的——但我和他一起度过了4个小时。
These people tend to have low socioeconomic status and find that they are faced with many physical, communication and cultural barriers that make it difficult to access healthcare effectively.
这些人通常处于较低的社会经济地位,可以发现他们面对很多身体,沟通和文化障碍使他们很难得到有效的医疗保健。
The paper, by theoretical analysis, gires a brief account for the causes of psychological barriers brought in the track and field matches with the knowledge of the physical psychology.
本文从理论分析出发,运用体育运动心理学的有关知识,简要分析了在田径运动竞赛中产生心理障碍的原因。
This lifelong lack of confidence something as basic as physical safety gives rise to major psychological barriers to equality.
这终身缺乏信心事一样基本象物理安全提升主要心理障碍对平等。
With regard to their current psychological situation, there exist commonly the various barriers such as adaptation, mental, personality, physical and psychological barriers.
但从在校大学生心理现状看,较为普遍的存在着不同程度的适应性障碍、精神障碍、人格障碍和心身障碍等。
Passive plant defense comprises physical and chemical barriers that prevent entry of pathogens, such as bacteria, or render tissues unpalatable or toxic to the invader.
被动的植物自我防御包括物理和化学防护,这些防护保护它们使病原体无法进入,像细菌,或者对侵略者放出一系列的不好闻的气味或是有毒的物质。
I encourage policy makers, destination planners and companies working with people with special needs to work together to remove all barriers, mental and physical, to travel.
我鼓励决策者、目的地规划者以及为特殊需求者提供服务的公司,共同努力消除参与旅游所面临的各种心理和身体障碍。
High-altitude challenge project team partners to deal with the challenges of physical and psychological barriers to challenge success is self-breakthrough.
高空挑战项目让团队伙伴应对生理和心理障碍的挑战,挑战成功就是自我突破。
High-altitude challenge project team partners to deal with the challenges of physical and psychological barriers to challenge success is self-breakthrough.
高空挑战项目让团队伙伴应对生理和心理障碍的挑战,挑战成功就是自我突破。
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