单词 | intraoptical light sighting system |
释义 | intraoptical light sighting system [´in·trǝ`äp·tǝ·kǝl `līt ¦sīd·iŋ ´sis·tǝm] OPTICS A target sighting system used with infrared pyrometers in which a visible, pulsating light is directed through the infrared optics, and gives an indication of the exact field of view, not just the centerpoint. |
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