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道基
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道基
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道基
在地表按照飞行区道面位置和几何尺寸要求,开挖或填筑而成的岩(土)结构物。道基作为道面的支撑结构物,承受飞机荷载和环境因素的共同作用。
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upper atmosphere
upper atmosphere dynamics
upper atmosphere exploration by balloon
upper atmosphere lidar detection
upper atmosphere model
upper atmosphere monitoring
upper atmosphere observation by air drag of satellite
upper atmosphere observation by trails of the meteors
Upperback
upper base
upper Bohl exponent
upper bound
upper boundary
upper boundary condition
upper bound conjecture
upper bounded
upper boundedness principle
upper bounded variable
upper bound of a family
upper bound of a function
upper bound of an operator
upper bound of a set
upper Burkill integral
Upper Capital City of the Jin Dynasty
Upper Capital-Longquanfu of Bohai State
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