Several papers discussing what is happening were presented at the meeting of the American Astronomical Society which took place this week in Washington, DC.
一些讨论正在发生的事情的论文呈在了美国天文学会这周在华盛顿特区的会议上。
Several papers discussing what is happening were presented at the meeting of the American Astronomical Society which took place this week in Washington, DC.
一些讨论正在发生的事情的论文呈在了美国天文学会这周在华盛顿特区的会议上。
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