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古姆星云
释义
古姆星云
Encyclopedia
理学
原行星状星云
释
Gum Nebula
古姆星云
已知的最大角尺度的发射星云。延展角度大约40°(月亮在天空中的尺度为0.5°),横跨南天船帆星座和船尾星座。又称Gum 12。
Astronomy
Gum Nebula
古姆星云
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hydraulic complex
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hydraulic concrete structure
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hydraulic conductivity tensor
hydraulic construction in ancient China
hydraulic construction material
hydraulic control in water transfer project
hydraulic conveyor
hydraulic coupling
hydraulic cylinder
hydraulic data model
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hydraulic dispersion
hydraulic drilling machine
hydraulic drill wagon
hydraulic drop
hydraulic engineer
Hydraulic Engineering
hydraulic engineering cement
hydraulic engineering construction
hydraulic engineering construction machinery
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