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解释设计、技术、空气动力学、历史、太空旅行,航空航天工程相关的其他主题。Explains design, technology, aerodynamics, history, space travel, and other topics related to aeros..
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专家在提问分享答案(able2know.org)
请专家或分享答案。特性问题,并讨论不同的话题。Ask an expert or share answers. Features questions and discussions on diverse topics...
问我帮助台(askmehelpdesk.com)
成为一个专家或问一个顾问从财务建议在这个问答社区的技术支持。Become an expert or ask an advisor about anything from financial advice to technical support at this ques..
在线社会化问答社区(blurtit.com)
用户可以提出问题,回答问题,并收集点回答问题。Users can ask questions, answer questions, and collect points for questions answered. blurtit.com在线社会化问答社区是一个旨在帮..
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