外太阳系起源调查 OSSOS
外太阳系起源巡天计划 Outer Solar System Origins Survey
太阳系物质起源 [天] origin of the solar system materials
它们基本上是由太阳系起源时遗留下来的碎片组成的。
They're basically made up of debris left over from the origin of the solar system.
(天文学)关于太阳系起源的星云假说。
(Astronomy) the nebular hypothesis of the origin of the solar system.
太阳系原始同位素组成是研究太阳系起源和演化的基础。
The isotopic composition of solar system is the base for studying the origin and evolution of the solar system.
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