he·li·o·stat 
(hēlē-ə-stăt′)
(hēlē-ə-stăt′)n.
An instrument in which a mirror is automatically moved so that it reflects sunlight in a constant direction. It is used with a pyrheliometer to make continuous measurements of solar radiation.
| 单词 | heliostat |
| 释义 | he·li·o·stat (hēlē-ə-stăt′)n. An instrument in which a mirror is automatically moved so that it reflects sunlight in a constant direction. It is used with a pyrheliometer to make continuous measurements of solar radiation. |
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