Why Don't Jumbo Jets Flap Their Wings? 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2025

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Alexander, David E. 作者

译者

2009-7 出版日期

288 页数

$ 30.45 价格

丛书系列

9780813544793 图书编码

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Why Don't Jumbo Jets Flap Their Wings? 在线电子书 epub 下载 mobi 下载 pdf 下载 txt 下载 2025

Why Don't Jumbo Jets Flap Their Wings? 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2025

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Why Don't Jumbo Jets Flap Their Wings? 在线电子书 pdf 下载 txt下载 epub 下载 mobi 在线电子书下载

Why Don't Jumbo Jets Flap Their Wings? 在线电子书图书描述

What do a bumble bee and a 747 jet have in common? Itas not a trick question. The fact is they have quite a lot in common. They both have wings. They both fly. And theyare both ideally suited to it. They just do it differently. Why Donat Jumbo Jets Flap Their Wings? offers a fascinating explanation of how nature and human engineers each arrived at powered flight. What emerges is a highly readable account of two very different approaches to solving the same fundamental problems of moving through the air, including lift, thrust, turning, and landing. The book traces the slow and deliberate evolutionary process of animal flightain birds, bats, and insectsaover millions of years and compares it to the directed efforts of human beings to create the aircraft over the course of a single century

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