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reference direction |
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reference direction [′ref·rəns di‚rek·shən] (navigation) A direction used as a basis for comparison of other directions. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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reference block reference burst reference counting reference craft reference design reference dimension reference dipole reference direction reference electrode reference ellipsoid reference frame reference frequency reference fuel reference level reference line |
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