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沟洫工程技术
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沟洫工程技术
关于中国夏商周时期灌溉、排水渠系的记录与总结研究。沟洫系统肇始于夏,发展于商,至周代趋于规范化,在实施井田制的地区逐渐形成纵横交错的农田沟洫体系。
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ergodic process
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ergodic source
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ergodic theorem in mean
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Ergong language
ergonomic design
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Ergonomics
ergonomics
Ergonomics design requirement of special protective device
ergonomics flight test
ergonomics in military vehicle drive
ergonomics of missile system
ergonovine
ergonovine; ergometrine; ergobasine
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