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河流解冻
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河流解冻
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ice break-up of river
河流解冻
气温上升至0℃以上时,封冻河段在热力和水力作用下冰盖融化和鼓裂,在较长的河段内已没有固定的冰盖,且敞露水面上下游贯通,其面积超过河段总面积20%的现象。又称开河。
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Ancient Buildings at Nanshe Village and Tangwei Village
ancient buildings at Qingcheng Mountains
Ancient Buildings at Shanggantang Village
ancient buildings at Yangliu Village
Ancient Buildings at Yushantun
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ancient buildings at Yuyuan Village
Ancient Buildings at Zhangguying Village
ancient buildings at Zhengyimen
ancient building surveying
ancient camphor tree at Qionglai City
ancient camphor tree in Faxiang temple
ancient cartography
Ancient Cedar Mountain of Huanglong in Songmingxian
Ancient Cedar Tree in Zhong Temple in Qionglai
ancient ceramic relics restoration technology
Ancient Characters by Using Inscription on Bronzes
ancient chart
ancient Chinese academy
ancient Chinese aids and staff system
ancient Chinese architectural laws and regulations
ancient Chinese architecture grading system
ancient Chinese art and technique of flying
Ancient Chinese Art Education
ancient Chinese articles of clothing
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更新时间:2026/1/15 6:13:10