但是什么呢?一组研究人员得出的结论是:它可能是两个星体碰撞过后的碎片,或者是一个有碟状粉尘围绕的行星。
One group concluded that the object could be the debris from a smashup of two small objects, or it could be a planet surrounded by a disk of dust.
该机适用于包半具有一定流动性、较松散状,粉尘不大的各种粉末状物品。
The machine is suitable for continuous automatic packing of loose powder products with certain flow ability.
该机适用于包半具有一定流动性、较松散状,粉尘不大的各种粉末状物品。
The machine is suitable for continuous automatic packing of loose powder products with certain flow ability.
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