| 单词 | slit-jaw |
| 释义 | > as lemmasslit-jaw slit-jaw n. each of the two pieces forming the sides of a spectroscope slit. ΚΠ 1902 Encycl. Brit. XXXII. 783/1 Huggins's reflecting slit-jaws permit the star image to be seen on the slit, and are preferred by many observers to other guiding devices. < as lemmas |
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