Why Do Bridges Arch?

Тема в разделе "Иностранная литература", создана пользователем Rekrus, 25 июл 2014.

  1. Rekrus

    Rekrus Арсений

    Rachel Griffiths
    Why Do Bridges Arch?

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    Издательство: Cambridge University Press
    Жанр: Cambridge University Press

    Качество: Хорошее
    Страниц: 16
    Формат: pdf, fb2, epub

    A series of twenty non-fiction science readers which engages children in the world around them. What holds up skyscrapers? Why are sports domes curved? Why are triangles used in many bridges? You can find the answers to these and other questions about structures in Why Do Bridges Arch?
     

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