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中国古代闸涵
释义
中国古代闸涵
Encyclopedia
工学
中国水利科学技术史
释
sluice and culvert in ancient China
中国古代闸涵
古代水闸。又称水门、斗门、陡门、牐或碶,是建在河床或河湖岸边用闸门控制水位、取水或泄水的建筑物。古代涵洞,又称水函、水窦,是埋在填土(主要是堤防或堤岸)下面的过水建筑物。
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row of a matrix
row of a table
row of coordinates
row operation
row permutation
row raft Haozi(work songs on rows and rafts)
row rank
row rank of a matrix
row-reduced echelon form
row selection
row space
row structure
row sum
row total
row-type residential building
row vector
Roxana : The Fortunate Mistress
Royal Academy of Arts
Royal Academy of Dance
Royal Academy of Dramatic Art
Royal Academy of fine Arts Antwerp
Royal Aeronautical Society
Royal Aerospace Establishment
Royal Agricultural College
Royal Air Force Aerobati Team
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