Only the individuals of a species are subject to the pressures of natural selection.
只有一个物种的个体感受到自然选择的压力。
It is likely that the genes involved, which include genes that encode neuronal ion channels, have been subject to a positive selection pressure leading to an accelerated evolution of genetic changes.
与之其进化相关的基因，包括编码的神经离子通道的基因，可能受到了积极的选择压力，从而加速了基因变化的转变。
Its coverage of the subject is impressive and provides a good selection of standard exercises.
他对课题的覆盖度是惊人的，而且他提供了一些精选的经典的习题。
As Nowak has shown, all that's necessary for life to emerge are molecules subject to forces of selection and mutation.
如同诺瓦克所阐述的，生命的出现，只需要分子服从选择和变异的力量。
Practice is the crucial link of document retrieval course and the subject selection is the essential of practice effect.
实习是文献检索课的关键环节，实习课题的选择是实习效果好坏的关键。
Therefore the selection of clausal grammatical subject is not a question of grammar or logic, but a question of semantics.
因此分句语法主语的选择不是语法的，也不是逻辑的，而是语义的。
In the aesthetic form showed in Miao's dances, the relative correspondence and the continuance of the aesthetic image and subject from ancient time show a selection of the national culture.
在苗族民间舞蹈所表现的审美形式中，其审美形象和审美主题的古今对应与连续，昭示着一种民族文化的选择。
The introduction part explains the causes of the selection of the subject, describes the present academic research on price discrimination and presents the research methods of this thesis.
引言部分主要介绍本文的选题缘由、学术界对价格歧视研究的现状，以及本文研究所遵循的思路。
From these aspects of selection, appraisal, index, organization, maintenance and design, this article raises some Suggestions to subject navigation construction of college library.
从网络学术资源的选择、评价、标引、组织、维护、网站设计等方面，对高校图书馆学科导航建设提出了一些构想。
Focus is put on the influence of the four major elements of social context (situation, hearer, subject matter, and medium) on the selection of linguistic varieties in verbal communication.
主要讨论了构成社会语境的四大要素：场合、听者、主题及媒介在语言交流过程中对语言变体选择的影响。
The structure of the thesis is: preface tells the previous study in this area, the reason the thesis selects this subject pattern of the article and the selection of materials.
导论部分介绍了蒙古语语义研究概况、选题依据、论文结构以及材料的选择等内容。
This paper studies the selection of subject matter, the determining of teaching core content, modern teaching methods and means and assessment methods.
文章就“电工学”的教材选择、教学核心内容确定、现代教学方法和手段及教学考核方式进行了研究。
The adverse selection of population quality of China is not only the research object of many subject, but also is arguing focus of academe.
中国的人口素质逆淘汰问题不仅是多学科的研究对象，而且是学术界争论的焦点。
The selection and arrangement of these articles are designed to give readers not familiar with the anthropological question of this subject to obtain a frame of understanding.
这些文章的选取和安排都是为了让不熟悉人类学的读者能够对这门学科的问题获得一个框架式的认识。
A great selection of English and German monolingual and bilingual on-line glossaries in various subject areas.
的英语和德语单语和双语在线在各个学科领域的词汇伟大的选择。
Whether speciation is achieved normally via genetic drift or natural selection is the subject of much ongoing discussion.
究竟正常的物种形成是通过遗传漂变还是通过自然选择达到的，是现在正在进行热烈讨论的话题。
The article discusses the scope, the quality requirement and the search strategy of web resources selection in the construction of subject information gateway.
本文详细讨论了学科信息门户建设过程中网络资源采集的范围、质量标准、检索途径及策略。
It is recognized that there are many shortcomings as to depth of treatment and selection of subject matter.
应该承认，在叙述的深度和课题内容的选择上存在许多不足之处。
The content of the theory concentrates on information discontinuance, people as the subject, and the contextual impact on information channel and content selection.
该理论的核心内容是信息不连续性、人的主体性以及情境对信息渠道和信息内容选择的影响。
Of the typical measurements of flow, level, temperature and pressure, flow tends to be the most difficult and therefore the most subject to incorrect device selection.
典型的测量流量、水位、温度、压力、流量往往是最困难的，因此最受不正确的设备的选择。
The article gave details of design thought and contents about developing CAI subject parts applied in physics design experimental-error distribution and experimental apparatus selection.
本文详细地阐述了在物理设计性实验《误差分配和实验仪器选择》中进行CAI课件研制的设计思想和内容。
This paper discusses the existent problems of the educational experiment from the selection of subject, evaluation and popularization and puts forward the countermeasures to solve these problems.
本文从教育实验的选题、评价和推广三个方面来探讨教育实验存在的问题并提出解决这些问题的对策。
Finally, this paper puts forward some Suggestions about "design, including the selection of subject, the design, the resources, time arrangement, implementation, and evaluation."
最后，提出了一些关于进行主题设计的建议，包括主题的选取、设计、资源、时间安排、实施、评估。
All of the original 24,000 mascot entries were either drawn or computer-designed by ordinary Russians and the selection process has been the subject of lively Internet chat room debate.
最初的24000个入围吉祥物全部由普通的俄罗斯民众手绘或电脑设计完成，甄选过程也成为直播网络聊天室辩论的主题。
The subject selection, scheme preparation, theoretical analysis, experiment and development, appraisal of achievements in scientific research, are all based on scientific and technical literature.
从科学研究的选题、制定方案、理论分析、实验研制到成果鉴定等各个阶段，无不以科技文献为依据。
This page contains a selection of general teaching resources. They are not subject-specific - just to help make lessons more interesting.
本页是精选的教学资源能够帮助使课程更加有趣，并非针对某一门学科。
This page contains a selection of general teaching resources. They are not subject-specific - just to help make lessons more interesting.
本页是精选的教学资源能够帮助使课程更加有趣，并非针对某一门学科。
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