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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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guide to an archives
Guide to Chinese Reference Books
Guide to Domestic Operations
Guide to Healthy Life
Guide to Naxi Pictographs
Guide to Reference Books
Guide to the Acupuncture Classics
Guide to the Expression of Uncertainty in Measurement
guide to visitor service of museum
guide vane
guide wave length
guide wire and tube sheath
Guide Xian
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guiding case
guiding center
guiding center drift
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guiding laser beam
guiding medicinal method
guiding methods for solar telescopes
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Guiding opinion about accelerating the development of E-commerce in rural area
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