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How to design a sail that won’t tear or melt on an interstellar voyage（图）
星际航行 帆 机械工程 应用力学 航天器结构与设计
2023/7/11
Astronomers have been waiting decades for the launch of the James Webb Space Telescope, which promises to peer farther into space than ever before. But if humans want to actually reach our nearest ste...
In this paper the experiences of a business analyst who worked on several projects using the object-oriented (O O)
approach are described. The business analyst in question had initially no background...