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miss樱桃小米虫
A可儿她姑
China has a very long and brilliant history, whose people are so friendly and hospitable. But I am wondering why some people pay such little attention to the environment and nature. In many places of the
娜娜娜娜An
随着科学的发展,人类的生活发生了巨大的变化。18世纪和19世纪的人无法想像我们现在所享用的家用器具。我们生活的各个方面,比如医药、农业,都经历了科学所带来的改善。However, many people complain that science has also
善良哒小虾米
My hobby is reading I like reading different books, such as novels,comics and books about science and history as also like reading newspapers and magazines to learn about what is going on around the
China has a very long and brilliant history, whose people are so friendly and ho
Another, reason why i admire him is his sense of humor. I have never see any dul
《Nature》创建于1869年的《自然》杂志(Nature)是国际领先的科学周刊,也是自然科研这一品牌的核心期刊。自然科研还出版一系列冠名“自然”的研究和综述
《科学美国人》(英文原名:Scientific American,缩写:Sci Am)是美国的一本科普杂志,始于1845年8月28日,起先是每周出版,后改为每月
《科学与生活》不算二类期刊。从广义上来讲,期刊的分类,可以分为非正式期刊和正式期刊两种。非正式期刊是指通过行政部门审核领取“内部报刊准印证”作为行业内部交流的期
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