可是那些在凹点的金线不太可能被带回地球，所以科学家还不能确定这在每个“夏天”都在凹点排成线而且发光的黄色灰尘的化学成分。
The 'gold' pits isn't likely to be ferried back to Earth, though - scientists remain unsure of the chemical composition of the yelllow, shimmering dust that lines the pit walls every 'summer'.
一项最新的研究发现，在人类的肌肤油脂中含有某些物质，它们是室内灰尘的重要组成成分。
Substances in human skin oil are significant components of indoor dust, a new study found.
奥术材料成分：一块天然磁石和一小撮灰尘。
周一公布的新研究发现，将老鼠暴露于准许狗外出的家庭产生的灰尘中，极大地改变了老鼠肠道菌群的成分。
A new study published Monday found that exposing mice to dust from households where dogs were allowed outdoors significantly changed the composition of gut microbes in the mice.
本发明公开一种含有基油(A)、非离子表面活性剂(B)及过敏原失活化成分(C)的灰尘吸附用油剂。
An oil for dust adsorption that includes a base oil (a), a nonionic surfactant (b), and an allergen inactivation component (c).
研究城市灰尘的目的是研究其物质来源、物质成分、分布规律、迁移演化、污染效应、防治治理等。
The purpose of researches on urban dust is focused on the source of dust material, composition of dust, distribution, migration and evolution, pollution effects and prevention and cure.
研究城市灰尘的目的是研究其物质来源、物质成分、分布规律、迁移演化、污染效应、防治治理等。
The purpose of researches on urban dust is focused on the source of dust material, composition of dust, distribution, migration and evolution, pollution effects and prevention and cure.
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