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南極“白夜”采集雪坑樣品記

2018-12-21 07:51來(lái)源：新華網(wǎng)

　　直升機在進(jìn)行吊運作業(yè)（12月3日攝）。新華社記者劉詩(shī)平攝

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[責任編輯：李曉蕾]

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