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普拉斯基特星
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普拉斯基特星
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Plaskett's star
普拉斯基特星
银河系中一个由两个质量和光度都非常大的O型星组成的非掩食的双星系统。在标准历元J2000赤道坐标系中,赤经为06h37m24.04130s,赤纬为+06°08′07.3719″。又称麒麟座V640(V640 Mon)或HD47129等。
Astronomy
Plaskett's star
普拉斯基特星
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operation and management mode of grassland irrigation project
operation and management supervision in water conservancy project
operation and regulation of heat-supply network
Operation Angela
operation at confined space
Operation Babylon
operation between images
Operation Bootstrap
Operation Center Building
operation certification
operation code
operation concerned materials
operation configuration of transition network
operation control center
operation control center of uban rail transit
operation control level
operation control unit
operation delay
operation ensuring platform for water conservancy information system
Operation Expenses of Ppollutant Treatment Facility
Operation for Safeguarding Montevideo
Operation Green Sea
operation intelligence
operationism
Operation Just Cause
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