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单词
space flight
释义
space flight
Encyclopedia
工学
﹝基本概念﹞
释
space flight
航天
狭义上是指人类在太空的航行活动,广义上是指人类探索、开发和利用太空以及地球以外天体的活动。又称空间飞行或宇宙航行。
Physics
交叉学科
天体物理学
space flight
太空飞行
Astronomy
space flight
航天; 太空飞行
随便看
projective system of topological groups
projective technique
projective tensor
projective test
projective theorem
projective theory of surfaces
projective topology
projective torsion
projective torsion tensor
projective tower
projective transfer
projective transformation
projective transformation group
projective unitary group
projective variety
projective vector
projective zero
projectivity
projectivity condition
projectivization
projectized organization
project legal person responsibility system
project legal person system
Project Lesson Learned Report
Project Life Cycle Cost
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