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嘉陵江梯级渠化航道
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嘉陵江梯级渠化航道
Encyclopedia
工学
河道渠化
释
Canalized Channel of Jialing River
嘉陵江梯级渠化航道
嘉陵江四川广元至重庆朝天门段经梯级渠化整治后形成的高等级航道。渠化后,航道等级从等外至Ⅳ级提高到Ⅳ至Ⅲ级标准,航道里程从739千米缩短至682.8千米。
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spacecraft control system
spacecraft design
spacecraft entry technique
spacecraft formation flight control
spacecraft launch
spacecraft launching site
spacecraft magnetic test
spacecraft manufacturing
spacecraft material
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spacecraft operation
spacecraft orbit control
spacecraft project development phases
spacecraft ranging
spacecraft recovery system
spacecraft relative motion
spacecraft returning technique
spacecraft scale style movement
spacecraft systems engineering
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spacecraft thrust vector control
space cueing task
space curve
space curve of order n
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