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Yi Lin, SPEARS testing and research lead at NASA Langley, holds one of the small coin-cell batteries that had just undergone thermal vacuum testing.

Yi Lin, SPEARS testing and research lead at NASA Langley, holds one of the small coin-cell batteries that had just undergone thermal vacuum testing.
Yi Lin, SPEARS testing and research lead at NASA Langley, holds one of the small coin-cell batteries that had just undergone thermal vacuum testing. 图:NASA
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