hexagon 发表于 2025-3-21 16:21:17

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绕着哥哥问 发表于 2025-3-21 22:10:48

Most disciplinary areas have been touched, but commerce, engineering and military studies have, perhaps, been best served with outstanding texts. No provision has so far been made for a general book at introductory level of direct relevance to agricultural science, technology and management. General

CHARM 发表于 2025-3-22 02:31:25

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Inveterate 发表于 2025-3-22 06:16:19

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容易做 发表于 2025-3-22 12:32:08

Principles of Model-Building,uch models will look like and often function in a similar (though often markedly simplified) way to the real object. Such physical models (classified as ‘iconic’ by Churchman, 1971) embrace children’s toys, tailor’s dummies and mock-ups of buildings and structures to be later constructed in real for

小卒 发表于 2025-3-22 16:42:45

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不吉祥的女人 发表于 2025-3-22 17:40:34

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Obligatory 发表于 2025-3-23 01:02:34

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彩色的蜡笔 发表于 2025-3-23 03:53:55

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crescendo 发表于 2025-3-23 07:10:33

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查看完整版本: Titlebook: Systems Simulation in Agriculture; J. B. Dent,M. J. Blackie Book 1979 Applied Science Publishers Ltd 1979 agriculture.simulation