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Trifid Nebula
释义
Trifid Nebula
Encyclopedia
理学
发射星云
释
Trifid Nebula
三叶星云
位于人马座的发射星云。为《梅西耶星表》中20号天体(M20),因其被三条形似树叶的暗尘埃带分隔成三个区域而得名。又称三裂星云。
Physics
Trifid Nebula
三叶星云
Astronomy
Trifid Nebula
三叶星云
随便看
fishing spear
fishing story
fishing tap
fishing technology
fishing telemetry positioning system
Fishing Threads
fishing tools
fishing vessel
fishing vessel automatic identification system
fishing vessel communication equipment
fishing vessel design
fishing vessel insurance
fishing vessel management
Fishing Vessel Monitoring System
fishing vessel navigation equipment
fishing vessel performance
fishing vessel satellite navigation system
fishing vessel survey
fishing-village
fishing village festivals
Fishing Village in Autumn by Ni Zan
Fishing Village in Light Snow by Wang Shen
fishing with cage and pot
fishing with canvas spreader stow net
fishing with cast net
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