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altitude fine adjustment /ˈaltɪtjˌuːd ˈklamp/ n

中文：垂直微调钮

中文 · 垂直微调钮Español · ajuste fino de la alturaFrançais · réglage micrométrique (latitude)
Meaning：Fine-tuning device serving to position the telescope vertically. celestial coordinate system
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Reflecting telescope

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