... 罩，保护罩;(电脑)引导，引导装入(程序);(经引导装入程序)作好使用准备：boot 照准仪;测高仪：alidade 照准部水准器：sighting level ...
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... sight (1)视力，视觉(2)视野(3)瞄准(4)瞄准具，瞄准镜 sight alidade 照准仪 sight alignment 瞄准，对准 ...
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在(照准仪)基座上水平且与台基座平行地装有一镜。
It consists of a base (the alidade) on which a sight is mounted. When this is horizontal, its axis is parallel to the base.
台上用照准仪，在绘图台上使用的工具，用作之处两点间的角度。
Table Alidade, Instrument used on the board for drafting topographical charts in order to indicate the angles between two points.
一块安装在一个三脚架上的平坦画板，与照准仪一起用于在野外测制地形图或地质图。
A flat drawing board mounted on a tripod used in combination with an alidade to construct topographic or geologic maps in the field.
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