| 单词 | octant |
| 释义 | octant (once / 246236 pages) n WORD FAMILY octant: octants USAGE EXAMPLESExcluded, of course, are those instruments normally made of wood, such as the octant and the mariners quadrant. Bedini, Silvio A., Early American Scientific Instrumen...(2012) It is Sigma Octantis, in the very dull southern constellation of Octans, the Octant. Scientific American(Nov 14, 2011) In the octant delineated the signs are taken all positive. Various, Encyclopaedia Britannica, 11th Edit...(2011) n a measuring instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration Hyper measuring device, measuring instrument, measuring system instrument that shows the extent or amount or quantity or degree of something |
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