There are an abundance of the lunar occultation records in ancient China.
我国古代有相当丰富的月掩星观测记录。
From lunar occultation experiments at infrared wavelengths it has been determined that the dust shell can be represented by two components.
通过红外波段的日掩星观测，已经确定该尘埃壳是由两个成分原组成。
From lunar occultation experiments at infrared wavelengths it has been determined that the dust shell can be represented by two components.
通过红外波段的日掩星观测，已经确定该尘埃壳是由两个成分原组成。
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