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道阻且長(cháng) 行則將至——航天專(zhuān)家對話(huà)香港青年
2021-06-26 10:18
來(lái)源： 新華網(wǎng)
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道阻且長(cháng) 行則將至——航天專(zhuān)家對話(huà)香港青年

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6月24日，中國工程院院士、長(cháng)征系列火箭總設計師龍樂(lè )豪在香港大學(xué)作報告。新華社記者 李鋼 攝

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[編輯：柳娜]