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单词 θ64739
释义
the world > physical sensation > sight and vision > optical skills and techniques > use optical skills and techniques [verb (transitive)] > use other techniques (5)
project1865

transitive. To cause (an image or representation of an object) to form on a surface (originally esp. the retina) as a result of action elsewhere…

collimate1868

transitive. To place or adjust (a telescope) so that the line of sight is in the required position; to place (two telescopes, lenses, etc.) so that…

web1883

transitive. To equip (an optical instrument, as a filar micrometer, telescope, etc., or a component thereof) with threads of spider's web for use…

vignette1945

Optics. To modify so as to give rise to vignetting of an image.

track1950

transitive. To follow the course of (a distant object) by means of a telescope, radar, or the like.

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