单词 | thermo-focal |
释义 | > as lemmasthermo-focal thermo-focal adj. Brit. , U.S. of or pertaining to the focal length of a lens as influenced by heat.ΘΚΠ the world > physical sensation > sight and vision > optical instruments > lens > [adjective] > focal length or point focused1784 thermo-focal1903 1903 Science 27 Feb. 333 A study of the thermo-focal changes in long focus lenses. < as lemmas |
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