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在NASA兰利研究中心的先进材料和工艺分部,Erik Weiser及其同事希望能够研究出一种新物质,用来制造超音速飞机所需的复合材料。但是,该研究小组在研究过程中遇到了一些问题。他们每次试图用聚酰亚胺材料制造固
At the Advanced Materials and Process Division at NASA’s Langley Research Center, Erik Weiser and colleagues hoped to develop a new substance that would be used to make the composites needed for supersonic aircraft. However, the research team encountered some problems in the research process. Each time they try to make solid with polyimide material