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Guo Dachang
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Guo Dachang
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Guo Dachang
郭大昌
(1742~1815) 中国清代乾隆、嘉庆年间对黄河下游防洪有丰富经验的老河工。字禹修。
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upswept
uptake
uptake coefficient
uptempo
upthrow
upthrust
uptilt
Upton Sinclair
up-to-standard evaluation of water function zone
upturned roof-ridge
UPU
upward
upward bias
upward causality
upward compatibility
upward concave
upward continuation
upward convex
upward cumulation
upward cut and fill stoping method
upward deviation
upward directed set
upward/downward atmospheric radiation
upward firing
upward induction
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