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Productivity is characterised by the feature of ().
单选题
2018-08-03 13:05:14
0
486
A.Arbitrariness
B.Genetic-culturaltransmission
C.Non-arbitrariness
D.Duality
参考答案:……
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参考答案
科目:
现代语言学
学科:
外国语言文学
感兴趣题目
( ) is the science that studies how speech sounds are used in language to convey meanings.
( ) reference refers to the reference where the presupposed occurs in the text before the word or expression that is presupposing.
( ) is the first stressed syllable in the tone-unit.
A () is one that may be used to distinguish one speech sound from another.
开发性层次结构是指工程科学与产业技术的内部结构以及它们之间的相互联系。
黑箱灰箱辨识指根据系统的外部动态行为推断其内部结构,功能模拟根据不同结构的系统在某些功能上类似的规律,用结构相对简单的模型来模拟结构较复杂的原型的功能。
横断学科是指那些利用多种学科的理论或方法,从某种不同侧面去研究某些复杂客体所形成的学科,如生态科学就是充分利用生物学、地质学、化学等学科的理论和方法对地球生态进行研究的学科。
基础科学是现代科学的基石,是应用科学与工程科学共同的理论基础,但是基础科学的发展水平和状况不反映一个国家的整体科学实力。
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基础研究一般不以技术发展的未来范围为科研选题的主要依据。
经济利益的合理是衡呈现代技术方法是否合理的次要的标准。
19世纪之前,技术创新主要出现在生产领域,通过工作机和动力的改造不断提高生产率,而产品的更新换代较快。
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