【dioptra】什么意思_英语dioptra的翻译_音标_读音_用法_例句_在线翻译

Dioptra

折光仪

... dim 模糊的，暗淡的 dioptra 折光仪，屈光仪 dipvergence (1)双目垂直角差(2)高低发散差 ...

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望筒

... dioptoscopy检眼镜屈光检查 dioptra望筒 dioptrate分瞳的 ...

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折光测量法

... 折光瞄准具，屈光瞄准具 dioptometer 折光测量法 dioptra 折光仪，屈光仪 dioptre (=diopter) ...

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abstract: A dioptra () is a classical astronomical and surveying instrument, dating from the 3rd century BCE. The dioptra was a sighting tube or, alternatively, a rod with a sight at both ends, attached to a stand.

以上来源于: WordNet

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