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helicopter transmission system test
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helicopter transmission system test
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航空发动机部件系统试验
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helicopter transmission system test
直升机传动系统试验
评价直升机传动系统整机、零部件抵抗破坏、变形的能力,在规定时间内完成规定功能的能力,在工作时可以接受的振动水平,并探索这些能力和水平的形成机制的试验。
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concave kite
concave lens
concave metric
concave minimization problem
concave mirror
concave operator
concave polygon
concave polyhedral angle
concave polyhedron
concave probability measure
concave programming
concaver
concave sequence
concave space
concave surface
concave-up
concave-up curve
concave upward
concavity
concavity coefficient
concavity cut
concavity cutting-plane method
concavity downward
concavo-concave
concavo-convex
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