“奥尔特云”的概念、定义、翻译、参考文献-科学参考

单词	奥尔特云
释义	奥尔特云 Encyclopedia 理学哈雷彗星释 Oort cloud奥尔特云 1950年，荷兰天文学家J.H.奥尔特根据长周期彗星的轨道特征，认为在离太阳2000～200000个天文单位（AU）处有一个笼罩太阳系的球状包层，其中分布以千亿计的小天体，那里是长周期彗星和哈雷族彗星的诞生地。 Astronomy Oort cloud奥尔特云
随便看	catalytic fluorimetry catalytic functional polymer catalytic gasification catalytic hydrogenation catalytic hydrogen wave catalytic kinetic spectrophotometry catalytic liquefaction catalytic model catalytic oxidation catalytic purification catalytic pyrolysis catalytic pyrolysis catalyst catalytic reaction catalytic reaction engineering catalytic reactions catalytic reforming catalytic reforming catalyst catalytic reforming of biomass-derived producer gas catalytic reforming reactors catalytic site catalytic synthesis of biomass-derived syngas catalytic　cracking catalysts catalyzed reaction in volumetric analysis catamaran Catania

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