12月18日，科研人员在江门中微子实验液体灌注启动成功后举杯庆祝。
12月18日，江门中微子实验（JUNO）液体灌注启动，标志着该装置建设来到最后一个关键节点。江门中微子实验以测量中微子质量顺序为首要科学目标，并进行其它多项重大前沿研究，实验建成后将成为国际中微子研究的中心之一。
新华社记者 金立旺 摄
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