羅針図
1 2 Dan Reboussin (2005). Wind Rose. University of Florida. Retrieved on 2009-04-26.
↑ Glossary of Meteorology (2009). Wind rose. American Meteorological Society. Retrieved on 2009-04-25.
↑ G. R. Tibbetts (1973), "Comparisons between Arab and Chinese Navigational Techniques", Bulletin of the School of Oriental and African Studies 36 (1), p. 97-108 [105-106].
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