alidade
英：[ɑ:li:\'deɪd]
美：[ɑli\'deɪd]
基本释义
- n.
- 照准仪
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英英释义
Noun1. surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments
2. surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles
