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单词
Gum Nebula
释义
Gum Nebula
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
随便看
surface water quality monitoring
surface water rescue
surface water resources
surface water resources of China
surface wave
surface wave antenna
surface wave antennas
surface-wave antennas
surface wave data processing and interpretation
surface wave exploration
surface wavefront
surface waveguide
surface wave method
surface wave seismic phase
surface wave seismometer
surface waviness
surface Web
surface web
surface with boundary
surface without boundary
surface with positive index
surface with singularities
surface X-ray diffraction
surface– borehole variant
Surfacing
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更新时间:2026/8/24 14:17:53