单词 | grazing-incidence telescope |
释义 | grazing-incidence telescope [`grāz·iŋ ¦in·sǝd·ǝns `tel·ǝ´skōp] ASTRONOMY An instrument for forming images of celestial x-ray or gamma-ray sources in which the total external reflection of the x-rays or gamma rays from a surface at sufficiently shallow angles of incidence is used to focus them. |
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