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宇宙黑暗期
释义
宇宙黑暗期
Encyclopedia
理学
宇宙学
释
cosmic dark ages
宇宙黑暗期
宇宙演化历史上的复合时期之后到第一代恒星形成之前的一个阶段。
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position gyroscope
position head
position hologram
position indicating mark
positioning
positioning and orientation system
positioning device
positioning dowel
positioning of column
positioning of costume design
positioning point
positioning sensor
positioning sleeve
Positioning system
positioning technology based on the ground mobile network
position inversion operator
position line
position location reporting system
position matching
position measurement
position micrometer
position of a game
position of point symmetry
position of readiness for action
position of similarity
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