| 单词 |
parallactical |
| 释义 |
† paraˈllactical, a. Obs. [See -ical.] = prec.
1671Flamsteed in Rigaud Corr. Sci. Men (1841) II. 109 The parallactical angle. 1704J. Harris Lex. Techn. I, Parallactical Angle, is an Angle made by the Oblique cutting of a Circle of Altitude, or Vertical Circle with the Ecliptick. |

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