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eBook: Complete On-Board Celestial Navigator, 2007-2011 Edition: Everything But the Sextant (DRM PDF)
George C. Bennett, McGraw-Hill Education, 出版日期: 2006/12/25
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eBook: Complete On-Board Celestial Navigator, 2007-2011 Edition: Everything But the Sextant (DRM EPUB)
George C. Bennett, McGraw-Hill Education, 出版日期: 2006/12/25
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