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单词 altitude table
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altitude table
altitude table n. (a) a table enabling a person to ascertain the latitude of a ship, aircraft, etc., from measurements of the altitude of the sun or other celestial object; (b) a table enabling a person to ascertain his or her altitude from measurements of local air pressure and temperature (or vice versa); usually in plural.
ΚΠ
1850 Naut. Mag. & Naval Chron. Jan. 54 Ex-Meridian Altitude Tables, Mr. J. T. Towson, 1849.
1859 Naut. Mag. & Naval Chron. Apr. 223 In the altitude table the sun's true altitude is given at different hours from the meridian.
1876 G. J. Symons (title) Pocket altitude tables: short and simple rules for accurately determining altitudes barometrically.
1909 Proc. U.S. Naval Inst. 35 1012 The difference of altitude for 1° of declination found from the altitude table.
1942 R. M. Field & H. T. Stetson Map Reading & Avigation p. vii/2 Acquire facility in the use of the Air Almanac and Altitude Tables..in the determination of the position of a plane from observed altitudes of celestial objects.
2007 J. H. Karl Celestial Navigation GPS Age vi. 63 At the back of the almanac there is a special two-part altitude table for the moon that combines all three corrections.
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