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单词 θ206921
释义
society > travel > air or space travel > action of flying (in) aircraft > navigation of course of aircraft > [noun] > by observation of stars > sight or fix (4)
course-setting sight1922

a sight by means of which one's course can be set.

astro-fix1941

a determination of geographical position, esp. of an aircraft, by observation of the stars.

astro sight1943

a determination of position by observation of the stars; cf. sight, n.1 7b.

astro shot1946

= astro-fix n.; cf. shot, n.1 7e(a).

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