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Djur & Natur
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Since the 1990s, rural transformations have helped millions of people to rise out of poverty while remaining in rural areas. This underscores an important fact: revitalizing rural …
The stories of Shiba Inu dogs Kama, Koa and Kazu. Containing over 100 black and white photographs, it is a fun filled journey through their experiences in life.
本书由四个部分组成,有很多新概念,如宇宙时间、超时空、只有时间没有空间的时空,只有空间没有时间的时空,五维时空直至九维时空、超密封闭核、宇宙符号、四维子、四维旋转轴等等,这些概念比较抽象,读者读起来可能晦涩难懂。 这些看似复杂,有点烧脑的东西,实际上只要掌握了基础的思想推理就非常简单,它们包括古代哲人提出的 …
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